“Postal Service” means the United States Postal Service established by section 201 of this title;

“Board of Governors”, and “Board”, unless the context otherwise requires, mean the Board of Governors established under section 202 of this title;

“Governors” means the 9 members of the Board of Governors appointed by the President, by and with the advice and consent of the Senate, under section 202(a) of this title;

“Inspector General” means the Inspector General appointed under section 202(e) of this title;

“postal service” refers to the delivery of letters, printed matter, or mailable packages, including acceptance, collection, sorting, transportation, or other functions ancillary thereto;

“product” means a postal service with a distinct cost or market characteristic for which a rate or rates are, or may reasonably be, applied;

“rates”, as used with respect to products, includes fees for postal services;

“market-dominant product” or “product in the market-dominant category of mail” means a product subject to subchapter I of chapter 36;

“competitive product” or “product in the competitive category of mail” means a product subject to subchapter II of chapter 36; and

“year”, as used in chapter 36 (other than subchapters I and VI thereof), means a fiscal year.