These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Please note: We recommend you complete the application process well in advance of these dates to allow time for processing, which can take six to eight weeks.The decedent's spouse has first rights to apply. If the decedent has no spouse, but has two children, those children have equal rights to apply. This guide will take you step-by-step through the whole process of completing the online application form. Select a visa category below to find the visa issuance fee, number of entries, and validity period for visas issued to applicants from this country. Spousal support cases are started with a spousal support petition in Family Court. There is no filing fee in Family Court. Submit all necessary documents to support your application. Find the Probate and Family Court in the county where you reside (reside is where you currently live).