By Adam Keating
In a decision issued on March 25, 2026, the National Labor Relations Board provided important guidance on the scope of its 2023 Cemex Construction Materials Pacific LLC decision, holding that the framework established in that case does not create an enforceable deadline for employers to file petitions for representation elections. The ruling, issued in St. John’s College, Case 28-RM-337949, offers welcome clarity on an issue that has generated significant uncertainty among employers since Cemex was decided.
Background: The Cemex Framework
As many employers are now aware, the Board’s 2023 Cemex decision marked a significant shift in labor law by establishing a new framework governing employer responses to union demands for recognition. Under Cemex, when a union presents an employer with a demand for recognition supported by evidence of majority support among the relevant workforce, the employer has two options: voluntarily recognize the union, or “promptly” file a petition for an election — referred to as an RM petition in Board parlance. If the employer fails to act promptly, or if it commits unfair labor practices that undermine the election process, the Board may impose a bargaining order requiring the employer to recognize and bargain with the union without an election.
The Cemex decision indicated that “promptly” would ordinarily mean within approximately two weeks of the union’s recognition demand. Since its issuance, the decision has led to a notable increase in employer-filed RM petitions, as employers have sought to avail themselves of the election option rather than accede to voluntary recognition.
One significant area of ambiguity, however, has been whether the two-week guideline constituted a hard-and-fast filing deadline — and, if so, what consequences would attach to a late filing at the representation case stage.
The St. John’s College Decision
The St. John’s College case presented this question directly. The matter arose when the Communications Workers of America demanded recognition as the representative of a unit of graduate and undergraduate workers at St. John’s College. The college subsequently filed an RM petition, but a regional director dismissed the petition on the ground that it had not been filed within the timeframe contemplated by Cemex.
The Board reversed the regional director’s dismissal. In doing so, the Board held that Cemex did not modify the existing procedural rules governing the processing of representation petitions. Regional directors, the Board explained, should evaluate and process RM petitions under the established representation case procedures, without applying Cemex‘s timeliness language as a basis for dismissal.
The Board drew a clear distinction between the representation case process and the unfair labor practice process. As the Board stated, “The question of whether, within the meaning of Cemex, an RM petition was ‘promptly’ filed or whether ‘unforeseen circumstances’ excuse a later filing are properly left to unfair labor practice proceedings.” In other words, the timeliness of an employer’s RM petition filing is relevant only in the context of a subsequent unfair labor practice proceeding — not as a threshold barrier to the petition being processed.
Key Takeaways for Employers
This decision carries several practical implications for employers navigating the Cemex landscape.
First, employers should understand that an RM petition will not be dismissed at the representation case stage solely because it was filed outside the approximate two-week window referenced in Cemex. Regional directors will process such petitions under the Board’s standard procedures.
Second, however, employers should not interpret this ruling as eliminating the importance of acting promptly. The timeliness of an RM petition filing remains a relevant consideration in unfair labor practice proceedings. An employer that delays filing may still face exposure to a Cemex bargaining order if the Board later determines, in an unfair labor practice case, that the petition was not filed promptly and the employer engaged in conduct that undermined the election process.
Third, the decision underscores the importance of having a well-prepared response plan in place before a union demand for recognition arrives. Employers that are prepared to act quickly when confronted with a recognition demand will be best positioned to preserve their right to an election while minimizing the risk of a Cemex bargaining order.
We will continue to monitor developments in this area as the Board and the courts further refine the contours of the Cemex framework. Employers with questions about how these developments may affect their operations should consult with experienced labor counsel.
This Blog Post has been prepared for informational purposes only and does not constitute legal advice. This information is not intended to create, and the receipt of it does not constitute, a lawyer-client relationship.