John 20:23

if of any ye may loose the sins, they are loosed to them; if of any ye may retain, they have been retained.'

Matthew 16:19

and I will give to thee the keys of the reign of the heavens, and whatever thou mayest bind upon the earth shall be having been bound in the heavens, and whatever thou mayest loose upon the earth shall be having been loosed in the heavens.'

Matthew 18:18

'Verily I say to you, Whatever things ye may bind upon the earth shall be having been bound in the heavens, and whatever things ye may loose on the earth shall be having been loosed in the heavens.

Mark 2:5-10

and Jesus having seen their faith, saith to the paralytic, 'Child, thy sins have been forgiven thee.'

1 Corinthians 5:4

in the name of our Lord Jesus Christ -- ye being gathered together, also my spirit -- with the power of our Lord Jesus Christ,

Acts 2:38

and Peter said unto them, 'Reform, and be baptized each of you on the name of Jesus Christ, to remission of sins, and ye shall receive the gift of the Holy Spirit,

Acts 10:43

to this one do all the prophets testify, that through his name every one that is believing in him doth receive remission of sins.'

Acts 13:38-39

'Let it therefore be known to you, men, brethren, that through this one to you is the forgiveness of sins declared,

2 Corinthians 2:6-10

sufficient to such a one is this punishment, that is by the more part,

Ephesians 2:20

being built upon the foundation of the apostles and prophets, Jesus Christ himself being chief corner -stone,

1 Timothy 1:20

of whom are Hymenaeus and Alexander, whom I did deliver to the Adversary, that they might be instructed not to speak evil.

Treasury of Scripture Knowledge

Summary

Whose soever sins ye remit, they are remitted unto them; and whose soever sins ye retain, they are retained.

Bible References

General references

Matthew 16:19
and I will give to thee the keys of the reign of the heavens, and whatever thou mayest bind upon the earth shall be having been bound in the heavens, and whatever thou mayest loose upon the earth shall be having been loosed in the heavens.'
Matthew 18:18
'Verily I say to you, Whatever things ye may bind upon the earth shall be having been bound in the heavens, and whatever things ye may loose on the earth shall be having been loosed in the heavens.
Mark 2:5
and Jesus having seen their faith, saith to the paralytic, 'Child, thy sins have been forgiven thee.'
Acts 2:38
and Peter said unto them, 'Reform, and be baptized each of you on the name of Jesus Christ, to remission of sins, and ye shall receive the gift of the Holy Spirit,
Acts 10:43
to this one do all the prophets testify, that through his name every one that is believing in him doth receive remission of sins.'
Acts 13:38
'Let it therefore be known to you, men, brethren, that through this one to you is the forgiveness of sins declared,
1 Corinthians 5:4
in the name of our Lord Jesus Christ -- ye being gathered together, also my spirit -- with the power of our Lord Jesus Christ,
2 Corinthians 2:6
sufficient to such a one is this punishment, that is by the more part,
Ephesians 2:20
being built upon the foundation of the apostles and prophets, Jesus Christ himself being chief corner -stone,
1 Timothy 1:20
of whom are Hymenaeus and Alexander, whom I did deliver to the Adversary, that they might be instructed not to speak evil.