(1) The office of the commission shall be in the city and county of Denver. The office shall be open every day, legal holidays, Saturdays, and Sundays excepted. Hearings under this title may be held in such places within this state as shall be determined by the commission. It is the duty of the office of state planning and budgeting to provide suitable quarters for the commission and its employees.(2) The commission shall have a seal bearing the following inscription: 'The public utilities commission of the state of Colorado'. The seal shall be affixed to all writs and authentications of copies of records and to such other instruments as the commission shall direct. All courts shall take judicial notice of said seal.(3) Necessary expenses of the commission shall be paid from appropriations made by the general assembly to the commission.L. 13: p. 467, § 8. C.L. § 2919. CSA: C. 137, § 9. CRS 53: § 115-2-5. C.R.S. 1963: § 115-2-5. L. 69: p. 929, § 6. L. 75: (1) amended, p. 821, § 18, effective July 18. L. 89: (1) amended, p. 1525, § 4, effective April 12. For legal holidays, see article 11 of title 24; for payment of expenses, see § 40-2-107.