There are no links to the official documents for the years 1989 through 1995. The information below can only be used as help for further research, as there is not enough information here to rely on for official guidance. For that you need to obtain a copy of the complete document.

Rev. Rul. 90-41
Federal rates; adjusted federal rates; adjusted federal long-term rate, and the long-term exempt rate. For purposes of section 1274, 1288, 382, and other sections of the Code, tables set forth the rates for May, 1990.

Rev. Rul. 90-42
Cooperative associations; exemption from tax; stock ownership. Rev. Rul. 77-440, 1977-2 C.B. 199, is revoked because it applies the 50-percent patronage test of Rev. Proc. 73-39, 1973-2 C.B. 502, that was revoked by Rev. Proc. 90-29.

ADMINISTRATIVE

Rev. Proc. 90-28
Magnetic media reporting of federal contracts. Requirements and conditions are set forth for submission by federal executive agencies of an information return with the Service for each person with whom the agency enters into a contract.

Rev. Proc. 90-29
Cooperative associations; exemption from tax; stock ownership. Rev. Proc. 73-39, 1973-2 C.B. 502, is revoked because the patronage requirement under the stock ownership test of section 521(b)(2) of the Code is a qualitative, not quantitative, test.

T.D. 8299
Final regulations under section 6404 of the Code relate to abatement of a penalty or addition to tax attributable to erroneous written advice to a taxpayer from the Service.

Announcement 90-64
An advance notice of proposed rulemaking concerning section 1441 and 1442 of the Code was published in the Federal Register. The advance notice and this announcement solicit written comments rom the public.