Complete the application on the Certificate of Residency website. 2. As a result of Local Law 48, most employees may now reside in one of the six designated New York State counties (Nassau,.Two (2) forms of proof of address must accompany your application. This booklet explains many of these laws you need to know and provides resources where you can find more information about landlord and tenant issues. Administration is the process where the Surrogate's Court officially gives out Letters of Administration to a qualified distributee (heir) of the Decedent.