When can rules be made by the President or Governor without an Act from the appropriate Legislature?
The rules can be made by the President or Governor without an Act from the appropriate Legislature in the following scenarios:

1. In the case of services and posts in connection with the affairs of the Union, it is competent for the President to make rules regulating the recruitment and the conditions of service of persons appointed to such services and posts until provision in that behalf is made by or under an Act of the appropriate Legislature under Article 309.

2. In the case of services and posts in connection with the affairs of a State, it is competent for the Governor of the State (or any person authorized by him) to make rules regulating the recruitment and the conditions of service of persons appointed to such services and posts until provision in that behalf is made by or under an Act of the appropriate Legislature under Article 309.