N.J. Admin. Code § 17:2-4.10
Any member who makes application for withdrawal from the System and who may otherwise be eligible to make application for a retirement benefit, shall be required to execute and file a statement with the System, setting forth the benefits the member is waiving in favor of withdrawal, before the member's application for withdrawal may be processed. If a member is eligible to begin receiving a monthly retirement allowance (age 60 or more, or 25 years or more of credited service for members who enrolled before November 2, 2008; or age 62 or more or 25 years or more of credited service for members who enrolled between November 2, 2008 and June 27, 2011; or age 65 or more or 30 years or more of credited service for members who enrolled on or after June 28, 2011), the Division shall inform the member how to obtain the estimated amount of the retirement allowance and shall require the member to sign a waiver of such benefits, should the member still wish to withdraw.
N.J. Admin. Code § 17:2-4.10