This Ordinance may be called the Patents Ordinance 2000, It extends to the whole of Pakistan. It shall come into force at once except the provisions relating to examination, sealing, grant and post-grant matters of the patents relating to chemical products intended for use in agriculture and medicines, but excluding the
grant of exclusive marketing rights therefor and mail box filings which shall come into force on and from the first day of January, 2005.

Punjab Land Revenue Act 1967
This Act may be called the [Punjab] Land-Revenue Act, 1967.