An LLC treated as a partnership must file Form 1065, unless it neither receives income nor incurs any expenditures treated as deductions or credits for federal income tax purposes.
See https://www.irs.gov/instructions/i1065#en_US_2022_publink11392vd0e555
With respect to New Jersey, see https://www.state.nj.us/treasury/taxation/pdf/current/part/1065i.pdf
