29 CFR §7.2

1. (a)Any interested person who is seeking a modification or other change in a wage determination under part 1 of this subtitle and who has requested the administrative officer authorized to make such modification or other change under part 1 and the request has been denied, after appropriate reconsideration shall have a right to petition for review of the action taken by that officer.
2. (b)For purpose of this section, the term interested person is considered to include, without limitation:
   1. (1)Any contractor, or an association representing a contractor, who is likely to seek or to work under a contract containing a particular wage determination, or any laborer or mechanic, or any labor organization which represents a laborer or mechanic, who is likely to be employed or to seek employment under a contract containing a particular wage determination, and
   2. (2)any Federal, State, or local agency concerned with the administration of a proposed contract or a contract containing a particular wage determination issued pursuant to the Davis-Bacon Act or any of its related statutes.