Can. 540

§1. A parochial administrator is bound by the same duties and possesses the same rights as a pastor unless the diocesan bishop establishes otherwise.

§2. A parochial administrator is not permitted to do anything which prejudices the rights of the pastor or can harm parochial goods.

§3. After he has completed his function, a parochial administrator is to render an account to the pastor.

Read the whole title TITLE IIIThe Internal Ordering of Particular Churches 460–572