46 CFR § 109.425
Repairs and alterations: Fire detecting and extinguishing equipment
April 15, 2021
(a) Before making repairs or alterations, except for routine maintenance, minor repairs, or emergency repairs or alterations to fire detecting and extinguishing equipment, the master or person in charge must report the nature of the repairs or alterations to the OCMI.
(b) When emergency repairs or alterations, other than minor emergency repairs, have been made to fire-detecting or fire-extinguishing equipment, the master or person in charge must report the nature of the repairs or alterations to the OCMI.
[CGD 84-069, 63 FR 52816, Oct. 1, 1998]