36 CFR § 800.14(e)
This program alternative allows a federal agency to request the ACHP to comment on a category of undertakings in lieu of conducting individual reviews under §§ 800.4 through 800.6. The ACHP may also provide comments on its own initiative. Public participation is conducted by the federal agency requesting the comments and consultation with SHPO/THPO, Indian tribes and Native Hawaiian organizations is conducted by the ACHP.
Learn more in the Program Comment Questions and Answers.