The Executive acknowledges that he has had at least twenty-one (21) calendar days after the receipt of this waiver and release to consider signing this waiver and release, and that he may voluntarily choose to waive this 21-day period. In addition, the Executive has seven (7) calendar days after signing this Agreement to revoke it, in which case this Agreement shall be null and void. Any such revocation must be in writing and be submitted to Kathleen Waters. The Executive understands that if he signs this Agreement and does not revoke this Agreement within seven (7) calendar days after signing, this waiver and release will become fully effective and enforceable.