46 CFR § 190.25-90
Vessels contracted for prior to July 1, 1969
April 15, 2021
(a) Existing structures, arrangements, materials, and facilities previously approved will be considered satisfactory so long as they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection. Minor repairs and alterations may be made to the same standards as the original construction: Provided, That in no case will a greater departure from the standards of §§190.25-5 through 190.25-15 be permitted than presently exists.
[CGFR 67-83, 33 FR 1125, Jan. 27, 1968, as amended by CGFR 69-72, 34 FR 17503, Oct. 29, 1969]