Section 4770.3 - Administrative remedies(a) Any person who is adversely affected by a decision of the authorized officer in the administration of these regulations may file an appeal. Appeals and petitions for stay of a decision of the authorized officer must be filed within 30 days of receipt of the decision in accordance with 43 CFR part 4.(b) Notwithstanding the provisions of paragraph (a) of § 4.21 of this title, the authorized officer may provide that decisions to cancel a Private Maintenance and Care Agreement shall be effective upon issuance or on a date established in the decision so as to allow repossession of wild horses or burros from adopters to protect the animals' welfare.(c) Notwithstanding the provisions of paragraph (a) of § 4.21 of this title, the authorized officer may provide that decisions to remove wild horses or burros from public or private lands in situations where removal is required by applicable law or is necessary to preserve or maintain a thriving ecological balance and multiple use relationship shall be effective upon issuance or on a date established in the decision.59 FR 7643, Feb. 16, 1994