Matt 28:19 – Jesus commissions the apostles: “Go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit”;
John 3:22; 4:1-2 – Jesus’ first disciples baptize other disciples;
Acts 2:38-41; 10:47-48 – new believers are baptized “in the name of Jesus” by Peter & others;
(not just Jesus’ own baptism: Mark 1:9-11 & par.)

“I baptize you in the name of the Father, and of the Son, and of the Holy Spirit.” (the “Trinitarian Formula,” from Matt 28:19)

The candidate is immersed in water, or water is poured over the candidate’s head.

Becoming a member of the Church of Christ (Christian Initiation); also being forgiven of one’s sins.

Bishops, Priests, Deacons; any Christian (in case of urgent need)