Whether the National Labor Relations Act establishes a bar on a successor employer from challenging the continued support for a previously certified union

QUESTIONS PRESENTED 1. Whether the National Labor Relations Act establishes a bar on a successor employer from challenging the continued support for a previously certified union. 2. Whether courts should defer to the National Labor Relations Board’s successor bar rule that creates an irrebuttable presumption that an incumbent union retains its majority status for a reasonable period of time following the successor employer’s voluntary recognition of the union.