A presolicitation announced was released (by the Library of Congress) on Thursday.
From the Document:
The Library of Congress intends to issue a request for proposal (RFP) on or about October 1, 2015 for the provision of preservation digitization services adhering to federal agency digitization guidelines on behalf of FEDLINK customer, U.S. Government Publishing Office (GPO/GPOV).
GPO is undertaking an effort to digitize Federal Register related material including all daily issues, indexes, and Codification Guide/List of CFR Sections Affected from 1936 through 1994.
Deliverables include master files in JPEG2000 format, searchable PDF files with embedded OCR text, and associated metadata.
Description of Materials
There are approximately 14,758 individual issues, 59 annual indexes, 188 monthly indexes, and 209 Codification Guide/List of CFR Sections Affected.
There are approximately 2,114,600 pages.
Page size is 8 x 10 1/2 inches with the exception of the Codification Guide/List of CFR Sections Affected 1970-1994, which are 5.75 x 9 inches. The depth of the bound volumes ranges from 3 to 4 1/8 inches. The majority of the paper is in good condition. Some pages may have minor tears, some pages have tape repair, or turned edges.
Read the Complete Presolicitation