There is a legislative finance committee which is a permanent joint committee of the legislature.
Mont. Code Ann. § 5-12-201
Legislative finance committee
Known as the The Legislative Finance and Data Analytics Act
The act spans §§ 5–5 (22 sections).
En. 43-1111 by Sec. 3, Ch. 448, L. 1975; amd
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.