New York State's estate tax is calculated using the tax table provided on Form ET706. There are multiple versions of Form ET-706.You must also attach federal form 706, United States Estate Tax Return. Tax Waiver Requirements. Tax waivers (Form 0-1) are required to transfer assets from a decedent's name to a beneficiary. Official Site of The State of New Jersey. Get Updates, Search NJ Treasury, NJ Taxation, Inheritance and Estate Tax Forms. The Estate Tax is a tax on the transfer of USsituated property, which may include both tangible and intangible assets owned at the decedent's date of death. Explore 2023 state estate tax rates and state inheritance tax rates.