41 CFR § 102-74.505
What action must Federal agencies take after disapproving an application or canceling an issued permit?
June 9, 2020
Upon disapproving an application or canceling a permit, Federal agencies must promptly—
(a) Notify the applicant or permittee of the reasons for the action; and
(b) Inform the applicant or permittee of his/her appeal rights under §102-74.510.