This document contains the Congressional 1986 Federal Income Tax Guide for Older Americans designed to help older Americans with moderate incomes file their 1985 federal income tax returns. It emphasizes issues which affect senior citizens directly and discusses each section of the tax forms. Information is provided on Internal Revenue Service publications and prerecorded telephone messages which give more detailed information on the subjects discussed. Eight sections are included: (1) who must file; (2) filing deadline; (3) which form to use; (4) assistance in preparing forms; (5) Social Security and Railroad taxability; (6) tax form preparation; (7) preparing for next year; and (8) gift and estate taxes. (NB)