Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord; Acts 3:19
2) Confession of Sin
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness. 1 John1:9
3) Faith in the Cleansing Blood of Christ
Forasmuch as ye know that
ye were not redeemed with corruptible things, as silver and gold, from your vain
conversation received by tradition from your fathers; But with the precious
blood of Christ, as of a lamb without blemish and without spot:
1 Peter 1:18,19