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.

INCOME TAX

Rev. Rul. 89-86A
Federal rates; adjusted federal rates; adjusted federal long-term rate, and the long-term exempt rate. The blended annual rate of interest for 1989 for purposes of section 7872(e)(2) of the Code is added to Rev. Rul. 89-86.

Announcement 89-92
A list is provided of organizations that no longer qualify as organizations contributions to which are deductible under section 170(c)(2) of the Code.

EMPLOYMENT TAXES

Railroad Retirement; rate determination; quarterly.
The Railroad Retirement Board has determined that the rate of tax imposed by section 3221(c) of the Code shall be twenty-six cents for the quarter beginning July 1, 1989.

ADMINISTRATIVE

Rev. Proc. 89-42
Reproduction of forms; Forms 1096, 1098, 1099 series, 5498, and W-2G. Requirements are set forth for reproducing paper substitutes for Forms 1096, 1098, 1099 series, 5498, and W-2G, and for furnishing substitute statements to form recipients. Rev. Proc. 88-28 superseded.

Del. Order 4 (Rev. 19)
Regional Inspectors are delegated authority to issue a "John Doe" summons in which the proper name or names of the taxpayer is not identified because it is unknown or unidentifiable. Del. Order 4 (Rev. 18) superseded.

Del. Order 156 (Rev. 10)
Certain Internal Revenue Service officials are authorized to disclose returns filed in accordance with section 60501 of the Code as prescribed in section 6103(i)(8). Del. Order 156 (Rev. 9) superseded.

Announcement 89-89
The Service will issue a revenue procedure that will apply to changes to the proper method of accounting for ceding commissions to comply with Rev. Rul. 82-69 and the recent Supreme Court decision in Colonial American Life Insurance Co.

Announcement 89-90
Certain filers of Form 6251, Alternative Minimum Tax-Individuals, for 1987 are being granted relief from having to file Form 1040X, Amended U. S. Individual Income Tax Return.

Announcement 89-91
New revisions of Publication 578, Tax Information for Private Foundations and Foundation Managers, and Publication 1048, Filing Requirements for Employee Benefit Plans, are now available from the Service.

Announcement 89-93
The Announcement 89-82, 1989-26 I.R.B. 34, on magnetic media reporting of information returns is amended relating to the seminar to be conducted in Hagerstown, MD.