The first canon of Book V of the Code of Canon Law, titled the Temporal Goods of the Church, uses four verbs in relation to goods: acquire, retain, administer and alienate (Can. 1254 § 1). The author in this article explains the first verb while analysing the different aspects of 14 canons under Title 1: The Acquisition of Goods, Book V of the Code (Can. 1259-1272). These canons contain precepts referring to the various ways of acquiring goods: the inherent right of the Church, the right and obligation of the faithful, moderate tax, levies, collections, offerings, gifts, benefices and prescriptions. In spite of the various concepts, they are all related to the acquisition of goods or, in other words, to the financing the Church. Detailed are the principles and methods that are foreseen in the Code of Canon Law as sources of acquisition of rights of immovable goods of the Church. The author has divided his presentation of the acquisition of goods into four parts: 1) General principles 2) Sources of acquiring public right 3) Sources of acquiring private right 4) Reform of the beneficiary system.