N.J. Stat. § 2A:44-172
The processor, having a lien upon a motion picture film or films, may cause the same to be sold at public auction, at any time after the date when any indebtedness on account of which such processor shall have such lien shall become due and payable. Notice of such sale shall be given by publishing such notice once in each week for each of the two weeks preceding the day of such sale, in a newspaper circulating in the municipality in which the said property to be sold is situated, by posting a copy of the notice of sale in 5 public places in such municipality at least 5 days before the day of such sale, and by giving at least 10 days' written notice of the sale to the owner or party authorized with respect to such motion picture film or films to be sold, either by personal service or by registered mail addressed with the last known address of such owner or authorized party.
N.J.S. § 2A:44-172