(a) Each proposal to adjust a rate associated with a workshare discount shall be supported by substantial evidence and demonstrate that each proposed workshare discount has been set in compliance with 39 U.S.C. 3622(e) and this subpart. Substantial evidence means such relevant evidence as a reasonable mind might accept as adequate to support a conclusion.

(b) For each proposed workshare discount that would exceed the cost avoided by the Postal Service for not providing the applicable service, the rate adjustment filing shall indicate the applicable paragraph of § 3030.283 under which the Postal Service is justifying the excessive discount and include any relevant analysis supporting the claim.

(c) For each proposed workshare discount that is provided in connection with a subclass of mail, consisting exclusively of mail matter of educational, cultural, scientific, or informational value (39 U.S.C. 3622(e)(2)(C)), would exceed the cost avoided by the Postal Service for not providing the applicable service, and would not be set in accordance with at least one specific provision appearing in § 3030.283(b) through (d), the rate adjustment filing shall provide the information specified in paragraphs (c)(1) through (3) of this section:

(1) The number of mail owners receiving the workshare discount during the most recent full fiscal year and for the current fiscal year to date;

(2) The number of mail owners for the applicable product or products in the most recent full fiscal year and for the current fiscal year to date; and

(3) An explanation of how the proposed workshare discount would promote the public interest, even though the proposed workshare discount would substantially exceed the cost avoided by the Postal Service.

(d) For each proposed workshare discount that would be below the cost avoided by the Postal Service for not providing the applicable service, the rate adjustment filing shall indicate the applicable paragraph of § 3030.284 under which the Postal Service is justifying the discount that is below the cost avoided and include any relevant analysis supporting the claim.