Did you read somewhere that it is a mandate for priests to receive both? ” title=”Confused” /> I bet LARobert would know.
I think I had seen the other part about receiving the Eucharist at Easter in the Catechism. Obviously frequent reception is encouraged.
If you want to look at it from a rules standpoint, then no, you don’t have to receive except for once a year, but from a spiritual standpoint one should receive the Eucharist as often as is prudent.