Executive understands that this Agreement shall be null and void if not executed by January 1, 2018 . Executive acknowledges that he was provided at least 21 calendar days to consider this Agreement.  Executive has seven (7) days after that Party signs this Agreement to revoke it. This Agreement will become effective on the eighth (8th) day after Executive signed this Agreement, so long as it has been signed by the Parties and has not been revoked by either Party before that date (the “Effective Date”).