Between Deadlines and Discretion: Timely Decision-Making in Investment Screening
Authors: Xueji Su (University of Macau) and Alessandro Zocchia (University of Macau)
Introduction: The Pocket Veto Phenomenon
Investment screening involves a procedurally layered process involving notification, jurisdictional assessment, inter-agency consultation, risk analysis, possible mitigation negotiations, and final clearance or prohibition. In this setting, time is not a neutral variable. Delay can operate with the same practical force as a formal prohibition: it may cause contractual long-stop dates to expire, destabilize financing arrangements, alter market conditions, or otherwise erode the commercial rationale on which the transaction was predicated. This is why practitioners sometimes speak of a regulatory ‘pocket veto.’ In both merger control and foreign investment screening, the term captures the phenomenon that a transaction is not expressly blocked, but is effectively frustrated by the passage of time.
The collapse of GlobalWafers’ proposed acquisition of Siltronic is a clear illustration. The transaction failed after the German authorities did not issue the required foreign investment clearance before the contractual deadline expired. Siltronic publicly stated that the offer conditions had not been fulfilled because neither a certificate of non-objection nor deemed approval had been issued within the applicable deadline. A comparable dynamic can be seen in HNA’s abandoned acquisition of SkyBridge Capital. There, the transaction was not terminated by a public presidential prohibition, but by the practical consequences of a prolonged CFIUS process.
These examples show that investment screening may effectively defeat transactions through procedural attrition. The 2024 CFIUS Annual Report records that, out of 209 covered transaction notices, 49 were withdrawn; in seven instances, the parties withdrew and abandoned the transaction, including cases where CFIUS could not identify acceptable mitigation measures or where the parties declined proposed mitigation.
Current investment-screening frameworks reflect the legal significance of time as a constraint on administrative power. At the EU level, the FDI Screening Regulation, Regulation (EU) 2019/452, expressly requires Member States to establish ‘timeframes’ for their screening mechanisms under Articles 3(2), 3(6), and 9(3). Although the Regulation does not harmonise national deadlines, it recognises that temporal discipline is an essential element of a legitimate screening regime.
German law illustrates this point with particular clarity. Under the Foreign Trade and Payments Act (Außenwirtschaftsgesetz, “AWG”) and the Foreign Trade and Payments Ordinance (Außenwirtschaftsverordnung, “AWV”), the screening mechanism is structured around binding deadlines, defined procedural phases, and detailed substantive criteria.
The central provision governing time limits is Section 14a AWG. Under Section 14a(1) no. 1 AWG, the Federal Ministry for Economic Affairs and Climate Action must decide whether to open a formal review within two months of acquiring knowledge of the transaction (Erlangen der Kenntnis). If a review is opened, Section 14a(1) no. 2 AWG requires that restrictive measures or obligations be adopted within four months from the full receipt of the relevant documentation (vollständiger Eingang der Unterlagen). The notion of knowledge is further specified in Section 14a(3) AWG, which clarifies that knowledge is deemed to exist, in particular, upon receipt of a notification or an application for a certificate of non-objection (Unbedenklichkeitsbescheinigung) and introduces a five-year long-stop period for initiating review. Section 14a(1) AWG sets out the statutory deadlines for the screening process, the expiry of which produces legal effect through the mechanism of ‘deemed approval’ (Freigabefiktion), laid down in sections 58(2) and 58a(2) AWV. The temporal discipline imposed by Section 14a AWG is reinforced by the mechanism of ‘deemed approval’, anchored in the statutory framework and operationalised through these provisions, aiming at preventing prolonged regulatory limbo.
These timelines are subject to extensions and suspensions. For instance, Section 14a(4) AWG allows an extension of three months in cases of particular factual or legal difficulties (besondere tatsächliche oder rechtliche Schwierigkeiten), with a further one-month extension where defence interests are implicated.
Section 14a(5) AWG permits additional prolongations with the consent of the acquirer (Zustimmung des Erwerbers), while Section 14a(6) AWG provides for the suspension of the procedural clock (Hemmung der Fristen) when additional information is requested or negotiations on mitigation measures are ongoing.
Yet statutory time limits do not eliminate temporal risk; they merely formalise it. The crucial question is not only whether the law prescribes deadlines, but how those deadlines operate when confronted with other elements, such as administrative knowledge, procedural inactivity, requests for information, mitigation negotiations, and extensions. German practice is therefore especially instructive: it shows both the disciplining force of procedural formalism and its limits. Where the authority simply fails to act, courts have treated statutory deadlines as hard constraints. Where the authority actively manages the procedural clock, however, time may remain a powerful regulatory instrument. The following cases illustrate this tension.
I. Formalism Enforced: The Aeonmed and Alcmene Judgments
German case law confirms the practical significance of temporal constraints in investment screening. Two decisions of the Administrative Court of Berlin are particularly instructive: Aeonmed Group Co Ltd v Federal Ministry for Economic Affairs and Climate Action (VG 4 K 253/22) and Alcmene GmbH v Federal Ministry for Economic Affairs and Climate Action (VG 4 K 536/22). Both cases show that statutory deadlines are not merely managerial tools for the administration.
In Aeonmed, the Federal Ministry for Economic Affairs and Climate Action (“BMWK”) sought to prohibit the acquisition of a German medical-technology company (Heyer Medical AG), a manufacturer of ventilators, by a Chinese investor, relying on concerns relating to public health and security of supply chains in the context of the COVID-19 pandemic (paras. 4 and 15). The case would therefore have offered an opportunity for judicial engagement with the substantive standard of public order and security. The court, however, resolved the dispute on procedural grounds. It held that the Ministry had not properly heard the investor before adopting the prohibition decision, and, independently, that the review procedure had been opened too late.
The temporal issue was decisive. The Ministry had become aware of the acquisition in April 2020 through an online article. Under the then-applicable AWV framework, this knowledge triggered a three-month period for opening the investment review procedure. The Ministry did not open the procedure until 18 August 2020.
By then, the opening period had expired, and a prohibition was barred. The investor’s subsequent application for a certificate of non-objection did not restart or displace the period already triggered by the Ministry’s earlier knowledge.
The judgment is significant because it treats administrative knowledge in functional rather than purely formal terms. What mattered was not whether the authority had received a formal notification, but whether it had sufficient knowledge of the acquisition to act. The court thereby limited the administration’s ability to control the starting point of the procedural clock and reinforced the protective function of statutory deadlines.
A similarly strict approach appears in Alcmene (paras. 122-126). The Court emphasized that the BMWK cannot unilaterally terminate the screening procedure based on its own assessment of civil-law disputes regarding the transaction’s viability. The case concerned the proposed acquisition by an Austrian company of a 37.5% stake in PCK Raffinerie GmbH. After the transaction became entangled in civil-law disputes, including issues relating to a contractual long-stop date and pending arbitration, the BMWK attempted to discontinue the investment review procedure on the ground that there was no longer an acquisition to examine.
The court rejected that approach. It held that neither the AWV nor the Administrative Procedure Act provided a legal basis for terminating the procedure to the detriment of the notifying party. The authority could not avoid the consequences of the statutory time limits by declaring the procedure moot on the basis of its own assessment of the transaction’s civil-law viability. Unless it was obvious that the acquisition could no longer be implemented, that question was not for the BMWK to determine through a full civil-law assessment.
Because the Ministry had failed to open the review procedure within the applicable two-month period following the renewed notification, the transaction was deemed approved by operation of law. The fact that the approval fiction might later prove practically irrelevant if the arbitral tribunal were to find that the underlying contract had been validly terminated was, in the court’s view, a consequence contemplated by the statutory scheme.
These two cases illustrate the force of procedural formalism in German investment screening. They show that statutory time limits are capable of producing substantive legal consequences. Yet this protection is strongest where the administration is inactive or procedurally defective. It is, however, less robust where the authority actively manages the procedural timeline through information requests, mitigation discussions, or consent-based extensions. That limit is illustrated by GlobalWafers.
II. The Limits of Formalism: TheGlobalWafers Case
The GlobalWafers Co Ltd v Federal Ministry for Economic Affairs and Climate Action case (4 L 111/22) concerns the proposed acquisition of the German semiconductor manufacturer Siltronic AG by the Taiwanese company GlobalWafers Co., Ltd.. The court rejected the applicant’s request for interim relief. The Ministry had argued that the review periods were suspended due to information requests related to pending merger control proceedings in other jurisdictions (paras. 22-27). However, the court left this question open and dismissed the application on the ground that, in the balancing of interests, public security concerns prevailed (paras. 38–39).
Unlike Aeonmed and Alcmene, the issue in this case was not a failure to comply with statutory deadlines, but the cumulative use of lawful extensions and suspensions. Under Section 14a AWG, the maximum review period without the acquirer’s consent is ten months, combining the initial two-month period, the four-month decision period, and possible extensions of three months and one month. In GlobalWafers, however, the transaction was subject to regulatory uncertainty for approximately eighteen months, with the formal review process alone extending well beyond the statutory maximum.
Under Section 14a AWG, the ordinary architecture of the review process is highly structured. Additional extensions are possible with the consent of the direct acquirer and the seller. The decision period may also be suspended where the Ministry requests further information or where the parties are negotiating mitigation arrangements.
GlobalWafers applied for a certificate of non-objection on 10 December 2020. By the expiry of the tender-offer deadline on 31 January 2022, however, the certificate had neither been issued nor deemed to have been issued. Siltronic accordingly announced that the conditions for completion had not been fulfilled and that the offer would not close.
The immediate difficulty was not only German investment screening in isolation, but the interaction between German review and parallel regulatory proceedings. China’s State Administration for Market Regulation (“SAMR”) granted conditional merger-control approval only on 21 January 2022. The German Ministry then took the position that it needed to assess whether the Chinese commitments had implications for German public order or security. According to contemporaneous commentary, the SAMR decision with remedies was submitted only shortly before the long-stop date, leaving insufficient time for the German authority to complete its assessment.
GlobalWafers sought interim relief, arguing that the certificate of non-objection should be treated as having been granted by operation of law. That attempt failed. The Berlin Administrative Court and the Higher Administrative Court of Berlin-Brandenburg ruled against GlobalWafers in urgent proceedings. Importantly, however, the interim proceedings did not produce a full merits determination that all requirements for deemed approval had or had not been satisfied. The Administrative Court left that question open and resolved the application through a balance-of-consequences assessment.
The case is therefore best understood not as a simple breach of statutory time limits, but as an example of the limits of deadline-based formalism. Each relevant procedural step could be framed within the statutory architecture: further information could be requested, negotiations or regulatory developments could suspend or affect the running of time, and extensions could be obtained with party consent. Yet the cumulative commercial effect was the same as non-clearance. The offer expired; the foreign investment clearance condition was not satisfied; and the transaction failed without a formal prohibition decision.
This makes GlobalWafers/Siltronic a paradigmatic example of the pocket-veto problem. Where an authority simply fails to act, statutory deadlines may operate as strict constraints backed by deemed approval or loss of competence. The investor’s legal position therefore depends not only on whether deadlines exist, but on how various mechanisms are deployed in practice.
III. The International Law Dimension: Fair and Equitable Treatment and Proportionality
Investment-screening delay is not merely a domestic procedural issue; it also has EU law and international-law dimensions.
1. EU Law Dimension
The FDI Screening Regulation provides an EU law foundation for investment screening. Besides, investment-screening measures may also engage the free movement of capital, particularly where they affect portfolio or third-country capital movements, and the freedom of establishment, where the transaction confers decisive influence over the target. In Xella Magyarország (paras. 60, 66-67 and 71), the Court of Justice – in an intra-EU context – treated a national FDI prohibition as a restriction on freedom of establishment and required the measure to satisfy strict justification and proportionality review.
The judgment builds on an older line of direct-investment and golden-share cases, in which the Court insisted that security-based restrictions must respond to a genuine and sufficiently serious threat to a fundamental interest of society and must be governed by objective, precise, and reviewable criteria. These include: Église de Scientologie (paras. 17-18 and 21-22), where the Court ruled that a prior authorization system must be based on objective, non-discriminatory criteria known in advance to avoid discretionary abuse; Commission v France, (paras. 48-50), where the Court held that a regime where the administration has a ‘wide discretionary power’ without specific conditions for intervention violates the free movement of capital; and Commission v Belgium (paras. 49-51), where the Court examined Belgium’s special rights in gas infrastructure companies. It noted that the regime did not impose a prior approval requirement, and that State intervention was subject to a statement of reasons and effective judicial review.
The temporal dimension is most clearly visible in Commission v Belgium (para. 52). There, the Court accepted Belgium’s special rights in gas infrastructure partly because the regime did not impose prior approval and because any State intervention was subject to strict time limits, a statement of reasons, and effective judicial review. The Court specifically justified the compatibility of the Belgian measure with EU law in part because any State intervention was subject to ‘strict time limits’, which prevented indefinite delay and provided legal certainty for investors. By contrast, in Commission v France and Église de Scientologie, the Court objected to vague and open-ended authorisation mechanisms that left investors uncertain as to when and why State intervention would occur. Read together with the prior-authorisation cases such as Analir (paras. 37-38) (the Court established that prior authorization schemes must be based on ‘objective, non-discriminatory criteria’ to prevent arbitrary exercise of discretion) and Hartlauer (para. 64) (the Court emphasized that an authorization scheme lacks a legitimate legal framework if it is not based on ‘objective, non-discriminatory and known in advance’ conditions), this case law suggests that screening procedures must not only pursue legitimate security objectives; they must also be procedurally bounded in a manner that prevents administrative discretion from becoming arbitrary or commercially destructive.
2. International Investment Law Dimension
A comparable concern arises under international investment law, although subject to important jurisdictional limits. Investment screening will not always fall within the scope of an investment treaty (see Voon and Merriman, 2022, pp. 75-114).
Where treaty protection is engaged, international investment law does not usually impose fixed administrative deadlines. Its discipline is more functional. The fair and equitable treatment standard (“FET”) requires the State to administer its legal framework in a manner that is transparent, non-arbitrary, procedurally fair, and reasonably predictable. In the context of investment screening, this does not mean that a State must disclose sensitive national-security information in full. But it does mean that the investor must have a fair opportunity to make its case, within a procedure based on objectively verifiable concerns and not on open-ended discretion.
This point is illustrated most directly by Global Telecom Holding v Canada (Award, 2020, para. 608), where the tribunal emphasized that while national security review is sensitive, it is not ‘an area of lawless state action’ and must respect the fundamental principles of due process and procedural fairness. The tribunal accepted that due process standards apply to national-security review, while ultimately finding no breach because the investor had been given an adequate opportunity to respond.
The broader arbitral jurisprudence reinforces this procedural understanding of FET. In PSEG v Turkey (Award, 2007, paras. 246-255), the tribunal found that ‘administrative negligence’ and the ‘roller-coaster’ of shifting regulatory positions can amount to a breach of the FET standard. It treated regulatory instability, lack of transparency, and shifting administrative positions as relevant to FET, even though the State had not necessarily acted in bad faith. The case shows that international responsibility may arise not merely from an outright refusal or prohibition, but from the way in which an administrative process is conducted over time. Similarly, Tecmed v Mexico (Award, 2003, para. 154) is commonly invoked for the proposition that administrative conduct must be coherent, transparent, and foreseeable, particularly where the State’s decision affects the continuation of an investment. This award is the locus classicus for the requirement that the State’s conduct must be ‘consistent’ and ‘transparent’ so that the investor may know ‘beforehand’ the rules and regulations that will govern its investment.
Delay may also implicate treaty obligations concerning effective means of asserting claims and enforcing rights. This standard is distinct from, though closely related to, FET and denial of justice. In White Industries v India (Award, 2011, paras. 11.3.1-11.4.20), the tribunal found that a delay of over nine years in the Indian courts to enforce an arbitral award constituted a breach of the ‘effective means’ standard under the BIT, establishing that persistent jurisdictional inertia can trigger international responsibility. The tribunal held that prolonged judicial delay breached India’s obligation to provide effective means, even though the delay did not meet the more demanding threshold for denial of justice. That reasoning should not be transposed mechanically to investment screening, because investment-screening procedures are administrative rather than judicial. It nevertheless supports the broader proposition that procedural mechanisms must be effective in practice and cannot be rendered illusory by excessive delay.
Nor is formal compliance with domestic procedure necessarily conclusive. Arbitral tribunals have repeatedly examined the practical effect of State conduct rather than confining themselves to its domestic-law form. El Paso v Argentina (Award, 2011, paras. 130-135, 510-519) is particularly useful here.1 The tribunal clarified that even if a measure is formally compliant with domestic law, it may still be scrutinized under international law if its cumulative effect or specific application results in a breach of treaty protections. The tribunal recognised that a succession of measures, each of which might not independently breach FET, may cumulatively amount to a violation where their combined effect undermines the investor’s legal and commercial position. This cumulative-effect reasoning is directly relevant to investment screening.
These principles suggest that the legality of delay should not be assessed solely by reference to domestic procedural formalism. An important question is whether the cumulative administration of the screening procedure remains transparent, proportionate, non-arbitrary, and commercially intelligible. Formally lawful extensions or suspensions under German law may therefore raise international-law concerns, where they produce excessive or unforeseeable delay, especially where consent to prolongation is obtained under conditions of structural imbalance and where the procedure ultimately defeats the transaction without a reasoned prohibition decision.
Conclusion
The lesson of the German cases is not simply that investment-screening authorities must respect deadlines. It is that time limits perform a constitutional and rule-of-law function: they define the point at which administrative uncertainty must yield to legal certainty. Aeonmed and Alcmene show that German courts are willing to enforce that function where the Ministry has failed to act within the statutory framework. In those cases, the approval fiction was not treated as a technicality, but as the legal consequence of a screening regime that deliberately constrains administrative discretion. GlobalWafers exposes the harder problem. There, the transaction failed because the interaction of information requests, suspensions, and extensions produced the commercial equivalent of non-clearance. That is the pocket-veto problem in its most legally difficult form: the decisive harm lies not in an unlawful act, but in the cumulative effect of procedurally defensible steps.
This matters beyond German law. EU law accepts that Member States may protect public security, but it has long required prior-authorisation regimes to be based on objective, reviewable, and temporally bounded criteria. International investment law approaches the issue differently, but reaches a similar concern through FET, procedural fairness, transparency, and proportionality. National security review is not an area of unreviewable discretion; nor should formal compliance with domestic procedure be conclusive where the process, in substance, deprives the investor of a meaningful and timely decision.
The core point is therefore not that screening authorities must always move quickly, or that complex transactions should be cleared before all security concerns have been assessed. It is that delay itself can become regulatory action. Where the State’s management of the procedure makes completion commercially impossible without issuing a reasoned prohibition decision, the distinction between process and outcome begins to collapse. A credible investment-screening regime must therefore discipline not only what the authority may decide, but also how long it may leave the investor exposed to indecision.
