glossary.guide Definitions, acronyms, and FAQs rebuilt for faster search and cleaner SEO.
IRS

Extension Notice Code

A two digit code assigned to Forms 2688/4868 identifying if the applications for extension of time to file returns were fully approved, granted 10-day approvals or denied, and the reason for the action taken.

Extension Notice Code

A two digit code assigned to Forms 2688/4868 identifying if the applications for extension of time to file returns were fully approved, granted 10–day approvals or denied, and the reason for the action taken.