The baptism is the gate to all sacraments. It is very important to record fact of receiving baptism in the special Church book. The parish priest of the place in which the baptism was conferred must carefully and without delay record it in the parochial register. This article is an analysis of canonical norms regarding annotation obligations of baptism. The first part of article is about history of this problem. The next concerns obligations of parish priest to record of the baptism. The last part is about form used to annotation this sacrament in the parochial register. In this place is for example about annotation of baptism to conferred in the hospital or private house in a case of necessity and recording the baptism of the persons conceived in vitro.