Visit the Public Employees Retirement Association (PERA) website to view more plan details, estimate {EELABEL1} pension benefit, or apply for benefits payment. The following Minnesota Nonprofit Corporation forms are available in pdf.Use this form to register a Minnesota Nonprofit Corporation under Chapter 317A. Hennepin County is the only unit of local government offering a supplemental retirement program. The Hennepin County Supplemental Retirement Plan (HCSRP) The IRS provides the following additional resources for taxexempt organizations interested in establishing retirement plans for employees. TRA is a defined-benefit ("DB") pension plan. The role of school districts and local governmental units is vital to the employees who qualify for membership in a PERA retire- ment plan. Contributions are tax deferred. Available only in a library.