It’s the cemetery’s rules in which no one is allowed to install anything upon the grave without a written request and approval by the cemetery’s Director.
Call Cemetery Director(CD) Amir Mitwally: (732)-614-8822

If, and only when, the grave was purchased directly from the cemetery and you need to use it,text a copy of the certificate to CD.

In the case of a death, you can call one of the Muslim Funeral Homes listed below, They will manage the whole affair, from A to Z including the cemeteries functions.

No Smoking,Alcoholic Beverages,Loud Music/Dancing on Cemetery premises.

The cemetery DOES NOT collect opening and closing fees in advance.
The following are the list of Funeral Homes you may use:

Muslim Funeral Services of NY: (718)-757-2670

Islamic International Funeral Services: (347)-262-2744

Islamic Burial & Shipping Services:
(917)-304-9096

Paak Funeral Home Inc.: (516)-661-7650

Firdous Funeral Chapel: (973)-342-8637

Al-Rayaan Muslim Funeral Services:
(347)-259-0055

Muslim Funeral Services LLC.: (732)-991-5896