compliance

compliance For necessary expenses of the Internal Revenue Service for determining and establishing tax liabilities, and for investigation and enforcement activities, including purchase (not to exceed two hundred and forty-six for replacement only, for police-type use which may exceed by $300 each the general purchase price limitation for the current fiscal year) and hire of passenger motor vehicles; uniforms or allowances therefor, as authorized by law (5 U.S.C. 5901, 80 Stat. 299); and services as authorized by title 5, United States Code, section 3109, and of expert witnesses at such rates as may be determined by the Commissioner; $494,800,000.