In those days, and in that time, saith the LORD, the iniquity of Israel shall be sought for, and there shall be none; and the sins of Judah, and they shall not be found: for I will pardon them whom I reserve.
In those days, and in that time, saith the Lord, the iniquity of Israel shall be sought for, and there shall be none; and the sins of Judah, and they shall not be found. The specification of "Israel" as well as Judah shows the reference is to times yet to come.
Iniquity ... none - not merely idolatry, which ceased among the Jews ever since the Babylonian captivity, but chiefly their rejection of Messiah. As in a cancelled debt, it shall be as if it had never been; God, for Christ's sake, shall treat them as innocent (Jeremiah 31:34). Without cleansing away of sin, remission of punishment would be neither to the honour of God nor to the highest interests of the elect.
For I will pardon them whom I reserve - the elect "remnant" (Isaiah 1:9) The "residue of the people" (Zech For I will pardon them whom I reserve - the elect "remnant" (Isaiah 1:9). The "residue of the people" (Zechariah 13:8-9; Zechariah 14:2).