President Trump's revocation of Executive Order 13579 through the issuance of Executive Order 13812 on September 29, 2017, dismantled a formal mechanism that had given federal employee unions structured access to agency leadership for nearly six years. The Obama-era order had established federal labor-management forums designed to create regular communication channels between unions representing roughly 2.1 million federal workers and the agencies employing them. These forums addressed workplace issues ranging from safety conditions to scheduling practices without requiring the formal grievance process. The revocation eliminated this collaborative infrastructure entirely, leaving unions dependent on less direct advocacy pathways.

The practical impact fell most heavily on federal employees represented by major unions including the American Federation of Government Employees, the National Treasury Employees Union, and the American Postal Workers Union. These workers lost a dedicated avenue for raising concerns about working conditions, scheduling, and workplace safety directly to agency decision-makers. While unions retained their right to bargain collectively and pursue grievances through established processes, the informal consultative forums had allowed for broader workplace dialogue beyond contractual negotiations. The elimination particularly affected lower-wage federal employees who benefited from union advocacy on issues like remote work flexibility and workplace accommodations.

This action reflected a broader pattern of executive moves to diminish collective bargaining power and worker protections. It preceded other administration initiatives that would further constrain federal employee unions' influence. The revocation also aligned with an apparent administration philosophy of concentrating executive power without institutional checks, mirroring later efforts to expand presidential authority in trade policy through Section 301 powers and to establish unilateral executive mechanisms. By removing structured forums requiring agency engagement with worker representatives, the administration reduced formal accountability mechanisms within the federal workforce itself.

No significant legal challenges emerged from the revocation, as presidents possess clear authority to revoke prior executive orders. However, the action drew criticism from labor advocates and Democratic lawmakers who argued it undermined administrative efficiency and worker morale. Reversing the action would require either presidential initiative or legislation establishing statutory labor-management consultation requirements for federal agencies.