In the event that any provision of this Agreement should be held to be void, voidable, or unenforceable, the remaining portions hereof shall remain in full force and effect, except that if the entire Release found in Section 4 is determined to be unenforceable, then Employer’s promises made to Employee in Section 2(a) above shall be immediately null and void and any payments already paid shall be returned or reimbursed by Employee to Employer.