The Postal Service may conduct market tests of experimental products in accordance with this section.

A product shall not, while it is being tested under this section, be subject to the requirements of sections 3622, 3633, or 3642, or regulations promulgated under those sections.

The product is, from the viewpoint of the mail users, significantly different from all products offered by the Postal Service within the 2-year period preceding the start of the test.

The introduction or continued offering of the product will not create an unfair or otherwise inappropriate competitive advantage for the Postal Service or any mailer, particularly in regard to small business concerns (as defined under subsection (h)).

The Postal Service identifies the product, for the purpose of a test under this section, as either market-dominant or competitive, consistent with the criteria under section 3642(b)(1). Costs and revenues attributable to a product identified as competitive shall be included in any determination under section 3633(3) 1 (relating to provisions applicable to competitive products collectively). Any test that solely affects products currently classified as competitive, or which provides services ancillary to only competitive products, shall be presumed to be in the competitive product category without regard to whether a similar ancillary product exists for market-dominant products.

For a competitive experimental product, the provisions of section 504(g) shall be available with respect to any information required to be filed under paragraph (1) to the same extent and in the same manner as in the case of any matter described in section 504(g)(1). Nothing in paragraph (1) shall be considered to permit or require the publication of any information as to which confidential treatment is accorded under the preceding sentence (subject to the same exception as set forth in section 504(g)(3)).

A market test of a product under this section may be conducted over a period of not to exceed 24 months.

If necessary in order to determine the feasibility or desirability of a product being tested under this section, the Postal Regulatory Commission may, upon written application of the Postal Service (filed not later than 60 days before the date as of which the testing of such product would otherwise be scheduled to terminate under paragraph (1)), extend the testing of such product for not to exceed an additional 12 months.

A product may only be tested under this section if the total revenues that are anticipated, or in fact received, by the Postal Service from such product do not exceed $10,000,000 in any year, subject to paragraph (2) and subsection (g). In carrying out the preceding sentence, the Postal Regulatory Commission may limit the amount of revenues the Postal Service may obtain from any particular geographic market as necessary to prevent market disruption (as defined under subsection (b)(2)).