5.G.5 Recording Reception into the Catholic Church
1. The reception of a baptized adult (one who has reached the age of reason ) into the Church by a profession of faith is to be recorded in the registry of baptism or of reception according to the following norms:
a. The name of the person with date and place of baptism, and the date and fact of reception are recorded along with the name of the Catholic priest who receives the person. 
b. As much as possible, the following information is also recorded: minister of baptism, parents, godparents, the place and date of baptism, and the date and place of birth.
c. In all cases, the Church sui iuris to which the baptized person becomes ascribed (enrolled) is also recorded (and is reported on any sacramental certififcates that are issued). 
2. This information is similarly recorded in the proper parish of Catholic parents when they adopt a child who was baptized in a different Catholic Church, a non-Catholic Church or a non-Catholic ecclesial community. However, the enrollment of the child into the Latin Church by virtue of adoption must also be recorded. (See #5.1.5 Reception of Infants into the Catholic Church. The law itself ascribes the child to the Church of the adoptive Catholic parents.)
3. In cases other than adoption, the information in the first norm is entered for an infant (one who has not reached the age of reason or an adult who is likened to an infant in law) when:
a. parents or guardians declare their intention to the pastor or his representative to raise a baptized non-Catholic infant as a Catholic,  and the declaration is annotated in the baptism/reception register. 
b. The Rite of Bringing a Baptized Child to the Church is used to bring an infant who was not baptized Catholic into the Church. (See #5.1.5 Reception of Infants into the Catholic Church.)
4. When a priest receives a member of an Orthodox or Oriental Orthodox Church or of the Assyrian Church of the East into full communion with the Catholic Church, special notation of this is to be made according to the instruction of the curia.
 See cc. 97, 852.
 RCIA [USA] 486.
 c. 535 §2, De Concordia Inter Codices
 c. 868 §1, 2º.
 See opinion on canon 861 by John Huels  in CLSA Advisory Opinions 1994-2000, pp. 246-249. Some formal act that manifests the intention of the parents or guardians is required for the infant to enter the Catholic Church. It could be an oral or written declaration that is then recorded in the parish register. This record establishes clarity about the canonical status of the infant as a Catholic, since he or she cannot enter the Church by a profession of faith.