; (3) the term performance targets means the targets established by the Postal Service under subsection (e)(1)(A); (4) the terms rural and urban have the meanings given those terms under regulations promulgated by the Commission under subsection (e)(2)(A); and (5) the term service standards means the service standards established by the Postal Service under subsection (b). (b) Authority generally (1) Establishment; revision The Postal Service shall by regulation establish (and may from time to time thereafter by regulation revise) a set of service standards for market-dominant products based on— (A) the finances of the Postal Service; (B) the ability of the Postal Service to meet the service standards