technical advice memorandumglossary / TECHNICAL ADVICE MEMORANDUM Technical Advice Memorandum. A publication issued by the national office of the IRS, usu. at a taxpayer’s request, to explain some complex or novel tax-law issue. — Abbr. TAM. [Cases: Internal Revenue 3044, 3051.] 词条贡献者 译者Natalie,在一家西班牙律师事务所的北京办公室担任全职法律翻译,擅长翻译涉及医疗健康领域的法律文件。