; and (2) the Superintendent has identified for preservation an appropriate number of copies of the IDP in tangible form in a sufficient number of Federal Depository Libraries. (c) Relocation of collection of tangible IDPs If a collection of information dissemination products in tangible form is relocated from a Regional Depository Library to another Federal Depository Library under this subchapter (including relocation resulting from the selective discarding of such products and the acceptance of such discarded products by another Federal Depository Library), the Director of the Government Publishing Office may pay the costs of the relocation, including related cataloging and transportation costs. (d) Regulations; contents (1) In general The Superintendent shall carry out this section in accordance with regulations promulgated under this subchapter. Such regulations shall— (A) in establishing criteria for agreements between Regional Depository Libraries and Selective Depository Libraries (as described in paragraph (4) of subsection (a)), give preference to any consortia and similar collaborative efforts in effect between such Libraries, without regard to geographic restrictions; (B) limit the number of Regional Depository Libraries located in any State to two