# Pub. L. 90-578: changes to the Internal Revenue Code

1968-10-17, 82 Stat. 1118. Source: <https://www.govinfo.gov/link/plaw/90/public/578>.

## Legislative history

- Bill: [S. 945](https://www.congress.gov/bill/90th-congress/senate-bill/945)

## § 5557: Officers and agents authorized to investigate, issue search warrants, and prosecute for violations


## § 7604: Enforcement of summons