lost cedula... help wjhat to do ???

Hi
i lost my cedula in my country.

i am going to santo domingo tomorrow to receive my permananent residency card.

please can someone tell me the steps. Should i make a police report in sosua today that i have lost my cedula and take that report to SD.
i understand i should have my permanent residency card and passport with me when trying to get a replacement cedula.

i know this seems odd that i asking this at the last minute, but afriend was going to come and assist me but he has fallen ill.

please can you supply the steps
address i need to get the replacement card

thanks