New Jersey Statutes Title 26. Health and Vital Statistics 26 § 3A2-12

a. A municipality participating in a local health agency or contracting health agency may withdraw therefrom in the following manner:

The governing body or local board of health, whichever is applicable, after participation for not less than 2 years in a local health agency or contracting health agency may by resolution declare its intention to establish its own local health agency or join with one or more municipalities in establishing a local health agency meeting “Standards of Performance.” A certified copy of that resolution, setting forth the date of the municipality's intention to withdraw, shall be submitted to the agency from which it proposes to withdraw a minimum of 6 months prior to the proposed withdrawal date. The withdrawal shall be effective on the date set forth in that resolution.

b. In the event that the requirements of section 10 of this act  1 are not met within 6 months after the time of withdrawal, the municipality shall be subject to the provisions of section 11 of this act.  2