Amazing how in my Catechism of the Catholic Church the section called "Part Three: Life in Christ", contains 116 pages on Jewish law and how I, as a Christian, should follow it.
Acts 15:20: Jewish law is abolished by Jesus' coming. "instead we should write to them, telling them to abstain from food polluted by idols, from sexual immorality, from the meat of strangled animals & blood." Circumcision & dietary laws clearly abolished