27 Miss. Code. R. 210-33-111
Should a retiree fail to comply with the provisions of this regulation resulting in the issuance of benefits in error, monthly benefits shall be canceled where necessary, and a demand shall be made for the return of any such benefits erroneously issued. The retiree shall be given 30 days to return any benefit overpayment without an interest penalty. If any overpayment is not returned within 30 days from the date that notification is issued, the retiree shall be liable for the return of the overpayment plus interest thereon at 10 percent per annum plus all costs of collection with a minimum interest assessment of $50.
(History of PERS Board Regulation 34: Amended October 28, 1997 to be effective December 15, 1997, except as specifically otherwise provided; amended effective July 1, 2001; amended effective April 1, 2002; amended July 1, 2002; amended February 1, 2004; amended 6/21/2005 to be effective 8/1/2005; reformatted August 1, 2007; amended effective July 1, 2010; amended effective July 1, 2011; amended effective December 1, 2013)
27 Miss. Code. R. 210-33-111