46 CFR § 154.428
Allowable stress
April 15, 2021
The membrane tank and the supporting insulation must have allowable stresses that are specially approved by the Commandant (CG-ENG).
[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]