Complete the form in ink. It must be clear and legible.Use the free New Jersey Online Filing Service to file your 2024 NJ-1040 return. It's simple and easy to follow the instructions, complete your NJ tax return,. A letter of instruction can complement an estate plan and provide your loved ones with additional details about your assets and wishes after death. Another Free File option is Free File Fillable Forms. We've created this post that outlines all of the information you need to apply for and receive letters of administration in the state of Florida.