A. Except as otherwise provided in this section evidence of the following is not, in any civil or criminal proceeding, admissible against the defendant who made the plea or was a participant in the plea discussions:
1. A plea of guilty which was later withdrawn;
2. A plea of nolo contendere;
3. Any statement made in the course of any proceedings under state procedure regarding either of the foregoing pleas; or 4. Any statement made in the course of plea discussions with an attorney for the prosecuting authority which do not result in a plea of guilty or which result in a plea of guilty which is later withdrawn. B. However, such a statement is admissible in:
1. Any proceeding wherein another statement made in the course of the same plea or plea discussions has been introduced and the statement, as a matter of justice, should be considered contemporaneously with it; or 2. A criminal proceeding for perjury or false statement if the statement was made by the defendant under oath, on the record and in the presence of counsel.