Notwithstanding the provisions of NRS 123.220 and 123.230, whenever payment or refund is made to an employee, former employee, or his or her beneficiary or estate pursuant to a written retirement, death or other employee benefit plan or savings plan, such payment or refund shall fully discharge the employer and any trustee or insurance company making such payment or refund from all adverse claims thereto, unless, before such payment or refund is made, the employer or former employer, where the payment is made by the employer or former employer, has received at its principal place of business within this state written notice by or on behalf of some other person that such other person claims to be entitled to such payment or refund or some part thereof or where a trustee or insurance company is making the payment, such notice has been received by the trustee or insurance company at its home office, but nothing contained in this section shall affect any claim or right to any such payment or refund or part thereof as between all persons other than the employee and the trustee or insurance company making such payment or refund.