N.J. Stat. § 44:1-10: Constitution and appointment in general

When the board of chosen freeholders has determined to establish a welfare-house for the permanent maintenance and relief of the poor of the county or portion thereof, has acquired a site therefor, and has awarded contracts for the necessary buildings and improvements thereon, or has resolved to maintain and operate a welfare-house as provided in this chapter, a welfare board shall be constituted and appointed.