If NPERS determines that any member or beneficiary has received a retirement benefit that is less than the retirement benefit such member or beneficiary is entitled to receive under the governing statutory provisions, NPERS shall within a reasonable period of time not to exceed sixty (60) days make payment equal to the deficit amount plus interest. This section is subject to the materiality amounts listed in Title 303 NAC, Chapter 3.
303 Neb. Admin. Code, ch. 18, § 006