Does the catechism of the Catholic church address if one should not receive the Eucharist when late for Mass? Is there a time frame for which, if we are late, that we should forgo fo a later Mass and/or not receive Communion?
The following link should assist you in better understanding the gravity of being late to Mass. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.
*]At what point in Mass does a later arrival not fulfill the Mass obligation?**