Confession of Faith
Chapter 27: Of the Sacraments
There be only two sacraments ordained by Christ our Lord in the Gospel; that is to say, baptism, and the Supper of the Lord: neither of which may be dispensed by any, but by a minister of the Word lawfully ordained.1
Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,
1 Corinthians 11:20
When you come together, it is not the Lord’s supper that you eat.
1 Corinthians 11:23
For I received from the Lord what I also delivered to you, that the Lord Jesus on the night when he was betrayed took bread,
1 Corinthians 4:1
4:1 This is how one should regard us, as servants of Christ and stewards of the mysteries of God.
And no one takes this honor for himself, but only when called by God, just as Aaron was. (ESV)