40 CFR §279.31

1. (a)Applicability. This section applies to owners or operators of used oil collection centers. A used oil collection center is any site or facility that accepts/aggregates and stores used oil collected from used oil generators regulated under subpart C of this part who bring used oil to the collection center in shipments of no more than 55 gallons under the provisions of § 279.24(a). Used oil collection centers may also accept used oil from household do-it-yourselfers.
2. (b)Used oil collection center requirements. Owners or operators of all used oil collection centers must:
   1. (1)Comply with the generator standards in subpart C of this part; and
   2. (2)Be registered/licensed/permitted/recognized by a state/county/municipal government to manage used oil.