Section 18-51 Benefits not assignable or subject to execution.

The benefits payable from the police retirement fund shall not be assignable or subject to counter-claim, recoupment or set off . Except for qualified domestic relations orders, benefits payable from the police retirement fund shall not be subject to assessment, garnishment, execution, injunction, or any other decree, order, process, or proceeding in any court for the payment of any debt of any beneficiary, and the sum shall be held and distributed solely for the purpose of this article . This provision shall not prevent the police retirement board from pursuing a retiree or other beneficiary of the police retirement plan for recovery of benefits erroneously paid or to recover benefits paid due to fraud, duress or the concealment of any material fact necessary to properly process a claim for benefits.