The purpose of the regulations in this subchapter is to set forth uniform minimum requirements for cargo and miscellaneous vessels, as listed in Column 5 of table 90.05-1(a). The regulations in this subchapter (parts 90, 91, 92, 93, 95, 96, 97, 98, and 105) have preemptive effect over State or local regulation within the same fields.
46 C.F.R. §90.01-1