; (B) in the case of the third violation, $500; and (C) in the case of the fourth, and any subsequent, violation, $1,000. (3) Limitations (A) Food service providers; retailers In the case of a food service provider or retailer the annual revenue of which is less than $1,000,000, a penalty shall not be imposed under this subsection more than once during any 7-day period. (B) Manufacturer; distributors In the case of a manufacturer or distributor the annual revenue of which is less than $5,000,000, a penalty shall not be imposed under this subsection more than once during any 7-day period. (c) State enforcement The Administrator may permit a State to carry out enforcement under this section if the Administrator determines that the State meets such requirements as the Administrator may establish. 5. Regulations The Administrator may promulgate such regulations as the Administrator determines necessary to carry out this Act.