“A person receives forgiveness of original and actual sins at Baptism”
No, a person of sins when he confesses his sins and asks God for forgiveness.
FYI
All pardon for sins ultimately comes from Christ’s finished work on Calvary, but how is this pardon received by individuals? Did Christ leave us any means within the Church to take away sin? The Bible says he gave us two means.
Baptism was given to take away the sin inherited from Adam (original sin) and any sins we personally committed before baptism—s
For sins committed after baptism, a different sacrament is needed. It has been called penance, confession, and reconciliation,
Read the rest of the article:
http://www.catholic.com/tracts/the-forgiveness-of-sins