Docket was instituted as FCC inquiry on economic effects and interactions of telecommunications industry and regulatory policies and practices, in particular, of effect of competition in private line and terminal equipment markets, in procedures for segmenting intrastate and interstate costs and revenues, of rate structures for local telephone services.

Material related to FCC initiated study of the alternatives to common carrier rate base regulation: correspondence, FCC newsletters, MO&O, notice of inquiry, first supplemental notice of inquiry, MCI recommendations for inclusion of issues in the inquiry; other companies' and institutions' comments on the scope of inquiry; MCI preparatory and organizational material for the docket; Cox's notes taken at meetings of Docket 20003 working group.

FCC summary of preliminary filings in response to its inquiry, April 28, 1975; first and fifth supplemental responses by AT&T and Bells to the notice of inquiry of April 10, 1974, and to the first supplemental notice of December 17, 1974; comments of Southern Pacific Communications; FCC initial report regarding the economic effects of competition in private line and terminal equipment markets.

Study prepared for AT&T by Arthur D. Little, Inc. and used as Bell exhibit 52 in FCC docket 20003.

Regulatory policies concerning whether and under what conditions, subscribers of the various telecommunications services should be allowed to resell services to others, or to participate with others in the sharing of joint use of such services.

Correspondence between Common Carrier Bureau and Domestic Rates Division of FCC, AT&T and MCI regarding use of AT&T Series 11000 Service under tariff 260 by: Series 11,000 Inc., RCA, Hogan Associates and Electronic Data System.

Documents relating to MCI filings with Public Utilities Commissions for intrastate services in California, Minnesota and Illinois; biographical information on members of states commissions; Cox's notes from MCI meetings on Intrastate applications; AT&T tariff material for connecting MCI services to Bell Systems services.

National Association of Regulatory Utility Commissioners [NARUC] material: 1971 Report of the Subcommittee on Telephone Interconnections, newsletters, paper clips; material for MCI Illinois application; documents on MCI relations with other states utilities commissions; address "Trends and Philosophies" by Francis Pierson before the ICA conference, May 10, 1972; address by Dean Burch, FCC Chairman before the American Bar Association on public utility regulation, August 7, 1973.

Documents of American Bar Association [ABA] and Civil Service Commission [CSC] on Hearing Examiner and Administrative Law Judges interview program of CSC and on K. Cox participation in interviews of candidates for hearing examiner positions in the federal agencies; ABA memos to members of Administrative Law Judges Committee, including reform of Federal regulation issues; material of Subcommittee on Administrative Law and Governmental Relations of the House Judiciary Committee regarding Regulatory Reform Act of 1979 [H.R. 3263].

RCA Corporation material regarding its joint user program - network management to share private line data circuits under AT&T tariff 260: letters to AT&T and FCC, advertisements; letter to K. Cox regarding RCA new service Videovoice.

MCI petition for rule making, R M. 1997, of June 13, 1972 for institution of proceeding for amendment of Commission rules with respect to sharing of circuits, resale of bulk communications facilities and single user concepts at reduced rates.

Various companies and institutions comments, statements, oppositions, reply comments to MCI petition for rulemaking R.M. 1997; MCI reply to comments.

MCI motion to consolidate R.M. 1997 with the amended complaint of American Trucking Association or to hold ATA complaint in abeyance pending disposition on MCI R.M.1997; oppositions to MCI motion; MCI reply to oppositions and motion for extension of time.

Summary of proposed value added services; material related to Western Union, Telenet Communications and Graphnet Systems applications for packet switching data communications network.

Material relating to AT&T application with FCC no. 931 of February 26, 1973 for waiver of some requirements of Commission's rules, in order to institute a shared hybrid communications service to companies who provide computer service to others and need communications as a part of overall package.

MCI and Packet Communications comments on and Xero-Fax opposition to WU petition for rulemaking concerning value-added carriers and pseudo carriers; WU reply.

Correspondence between MCI, N-Triple-C and Southwestern Bell regarding billings for the provision of Bell's local distribution facilities to N-Triple-C; MCI correspondence with Bell operating companies regarding MCI payment made under protest for Bell services.

Pleadings with FCC regarding AT&T application for trans. nos. 11889 and 11890 of tariff 265 and 266 and Pacific Telephone and Telegraph Company application for trans. nos. 840 and 841 of tariffs 123 and 124 for domestic satellite common carriers and domestic common carriers.

Tariff materials on local distribution facilities for OCCs filed by AT&T with FCC on May 3, 1974; AT&T and MCI letters to FCC regarding these filings.