1. You shall attend Mass on Sundays and all Holy Days of Obligation (Ex.20, Deut.5, Lev.23:4, Lk.22:29, Heb.10:19-25).
2.You shall go to Confession at least once a year (2Cor.5:18, 1Jn.1:9, Jn.20:21-23).
3. You shall receive the Eucharist at least in Easter [after Confessing] (Jn.6:51-58, 1Cor.10:16-21).
4. You shall observe the days of fasting & abstinence (Jl.2:12, Mt.6:16, Acts 13:2 & 14:23).
5. You shall provide for the needs of the Church [time, talent, treasure] (Mk.12:44, 2Cor.9:6-7, Lk.6:38, Prov.3:9, Deut.15:10, Deut.14:22-23).
>CCC 2041-2043