New Jersey Statutes Title 46. Property 46 § 8A-3

Whenever a sole owner or the coowners of a building expressly declare, through the recordation of a master deed, which shall set forth the particulars enumerated in section 9,  1 their desire to submit their property to the regime established by this act, there shall thereby be established a horizontal property regime. The coowners of property established as a single horizontal property regime may merge with the coowners of property in one or more other regimes to form a new single horizontal property regime, upon the consent of a majority of the coowners of the property in each of the merging regimes.