1. Bulletin N._. N. Income tax, nonresident aliens, foreign corporations, withholding agents, certain provisions of internal revenue code, code as amended, and Regulations 111, as amended, of particular interest to non-resident aliens, foreign corporations, and withholding agents, internal revenue code and code as amended. Bookmark Corporate/Agency Authors: Internal Revenue Bureau and Treasury Dept. Publisher: Internal Revenue Bureau Date: Revised 1947. 1947 SuDoc number: T 22.22:N/3