If they shall confess. This is the one abiding condition for national blessing and restoration.
trespass... trespassed. Hebrew. maal. App-44.
Related Commentaries of Leviticus 26:40
Leviticus 26:40
40 If they shall confess their iniquity, and the iniquity of their fathers, with their trespass which they trespassed against me, and that also they have walked contrary unto me;