Home › CFR › Title 26 › Part 301 › §301.6103(l)-126 CFR §301.6103(l)-1 — (l)-1 Disclosure of returns and return information for purposes other than tax administration.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Definition. For purposes of applying the provisions of section 6103(l) of the Internal Revenue Code, the term agent includes a contractor.(b)Effective date. This section is applicable January 6, 2004.