Then we have good news for you. It's possible to roll your funds back into the Plan by using the NYCE IRA!
Employees/former employees can apply either online or by filling out a paper NYCE IRA application (spousal applications can be submitted by paper application only)
to see if you need to complete any paperwork with them
Establish a NYCE IRA Account online (NYC Employees/former employees only)
NYCE IRA Brochure (Includes Application)