(a) As used in this subpart, the following terms have the meanings set forth in OPA 90 (33 U.S.C. 2701): deepwater port, facility, gross ton, liability, oil, offshore facility, onshore facility, responsible party, tank vessel, and vessel.

(b) As used in this subpart -

Annual CPI-U means the annual “Consumer Price Index - All Urban Consumers, Not Seasonally Adjusted, U.S. City Average, All items, 1982-84=100”, published by the U.S. Department of Labor, Bureau of Labor Statistics.

Current period means the year in which the Annual CPI-U was most recently published by the U.S. Department of Labor, Bureau of Labor Statistics.

Director, NPFC means the person in charge of the U.S. Coast Guard, National Pollution Funds Center (NPFC), or that person's authorized representative.

Edible oil tank vessel means a tank vessel referred to in OPA 90 (33 U.S.C. 2704(c)(4)(A)).

Oil spill response vessel means a tank vessel referred to in OPA 90 (33 U.S.C. 2704(c)(4)(B)).

Previous period means the year in which the previous limit of liability was established, or last adjusted by statute or regulation, whichever is later.

Single-hull means the hull of a tank vessel that is constructed or adapted to carry, or that carries, oil in bulk as cargo or cargo residue, that is not a double hull as defined in 33 CFR part 157. Single-hull includes the hull of any such tank vessel that is fitted with double sides only or a double bottom only.