These forms can now be completed online if you have Adobe Reader 5.1 or newer. You can get an income verification letter instantly through our online service, MyPBA: My Pension Benefit Access.The basic idea behind Letters of Office is that they serve to inform third parties (e.g. Benefits Administration Letters (BALs). 100 Series – Retirement Policy and Process Issues. By signing, I certify that this information is correct. I am aware that pursuant to the Illinois Pension Code, 40 ILCS. Usually, you fill out the required paperwork and submit it to the plan administrator, who then can tell you what your benefits will be and when they will start. Private School Service Credit. SURS is the retirement administrator for employees in public higher education in the State of Illinois.