Its objective was to prevent landlords from changing or evicting their tenants.
The rent law, established to prevent landlords from charging excessive rents on scarce housing, was to expire on April 1.
The plan involves an interpretation of tax laws that would prevent landlords from receiving tax depreciation benefits for apartments kept vacant.
Belmar passed an ordinance that prevented landlords from forcing families to move before the end of the school year.
The regulation has come into force to prevent "unscrupulous" landlords withholding part or all of a deposit when the tenant leaves their accommodation.
But the law does not prevent landlords from passing along increases in operating expenses - including tax hikes - in the form of rent increases.
The moratorium prevents landlords from putting out tenants in conversion situations from Jan. 1, 1991, through June 1, 1992.
The order was intended to prevent landlords from seizing the land, as it also decreed that the titles to the lands were not transferable.
The governor signed a bill last week that prevents landlords from penalizing victims of domestic violence if they break their leases.
The law was designed to ease homelessness by preventing landlords from tearing down affordable housing to put up expensive apartment buildings.