These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Worksheets to calculate guideline amounts of maintenance and child support.Optional tools to help with calculations are below. Call now at 631-923-1910 or fill out our short online contact form and we'll get back to you as soon as possible. The judge will begin the determination of alimony amount with one of two statutory formulas depending on whether or not child support will also be paid. To start the process to request spousal support, the party requesting support must first file a support petition. When determining PostDivorce Maintenance, there are a variety a formulas utilized, depending on whether child support is also being paid. Looking for an experienced spousal support lawyer in Garden City, NY? Call (516) 334-4100 to schedule an appointment with our alimony attorneys. Spousal maintenance (a.k.a.