Statute section

IRC section 401(k)

Cash or deferred arrangements (401(k))

Country

United States

Section

401(k)

Updated

2026-05-20

Operative text

Section 401(k) allows employees to elect to defer current compensation into a qualified retirement plan on a pre-tax (or designated Roth) basis. Elective deferral limits are indexed annually ($23,000 in 2024, $30,500 with catch-up for age 50 and older).

Amendment history

2022-12-29

Pub. L. 117-328

SECURE 2.0 Act made additional updates to retirement-plan provisions, including expanded catch-up rules.

Cross-references

26 U.S.C. 40226 U.S.C. 415

Primary sources

26 U.S.C. section 401Verified 2026-05-20

Important disclaimer

This library is for general tax education only. Always verify filing obligations, due dates, and tax consequences against the cited primary source or with a qualified tax professional.