Receive the Body and Blood of Christ
Holy Eucharist holds the most important place amongst the seven sacraments, during which we receive the very blood and body, divinity and soul of Jesus Christ. Through the reception of Holy Communion, precious graces come to those who partake in the ritual. It strengthens the unity with the church, assimilating the Christian more into Jesus. It is an encounter through which the followers receive Christ in their bodies. John Paul II said that ‘The Eucharist builds the church’. Not only it unifies the community but it also fortifies a person individually, a channel of eternal life.
This adds up to the fact that Christ is actually present in the Eucharist whether be it in soul, divinity, blood, body. Consequently, to obtain him in communion, it is during the action of the congregation that unites one another in believing in the all church teaches, confesses and believe rather than the outward statement of being united towards the Christian faith. Therefore those that are not catholic cannot agree towards such a statement, as they are not in fully communion with the Catholics. Giving communion to a non-Catholic is a counter sign to the reality, where one can be forced to say ‘we are one’ when in truth that person is not. Basically when a non-Catholic receives a communion, it would blatantly be a lie, expressed through actions.
“I am Catholic and hold all that the Church teaches to be true as truth and I therefore unite myself to Jesus and all his Catholic Church, through the bonds made in the Eucharist.” Is said through the body, in most of the churches. Thus a non-Catholic must be made aware of what exactly is believed by the Catholics. However there will be cases that do not believe in the Eucharist but there would be some who will share a belief in the Last supper. For those who showcase there admiration for the Eucharist, can be taken to church to join the Catholics in the Communion only after confirmation and baptism (If necessary).
Moreover, the Church holds the authority to limit the communion as a part of concern they hold for their spiritual well-being. As quoted by Paul in order to receive (communion) without discerning the blood and body, is to obtain condemnation. Subsequently putting someone in danger in the matters of spirituality and nobody would want that for their Christian brothers and sisters.
To conclude, there is no law that states that the Church can amend the teachings of the Christ. As a part of the conviction, it requires it believers to be faithful to their religion, even if it causes offense in their immediate circle. It must be clear that the Catholics do not try to be limited, but faithful and honest to Christ. Bringing us to the question should non-Catholics receive Holy Communion? No, Non-Catholics cannot receive the Eucharist, same goes for Catholics who are not in full communion to the Church and are in no state of grace (un-confessed mortal sins). Rest aside the ones that do not receive the communion can be encouraged to express their desire whilst they pray to form unity with the Lord Jesus and with each other.