Section 5 of Himachal Pradesh Official Language Act, 1975

5. Language to be used in the Bills, etc. - On and from such date as the State Government may, by notification, appoint in this behalf, the language to be used in,- (a) all Bills to be introduced, or amendments thereto to be moved in the House of the Legislature of the State ; (b) all Acts passed by the Legislature of the State ; (c) all Ordinances promulgated by the Governor under Article 213 of the Constitution ; and (d) all Orders, Rules, Regulations and Bye-laws issued by the State Government under the Constitution or under any law for the time being in force in the State ; shall be Hindi: Provided that the State Government may appoint different dates in respect of any of the purposes referred to in clauses (a) to (d) above.