Complete the application on the Certificate of Residency website. 2. Two (2) forms of proof of address must accompany your application.Suffolk county asks for proof of residence in the form of a utility bill, tax bill, or voter registration card. Have your landlord or other professional person who knows you and your family complete this form verifying your residency and household composition. Submit the affidavit to your county with two (2) of the following documents as proof of residency. Visit the Child Care Assistance Program (CCAP) page for guides, videos, and other resources to help you fill out your CCA application. The admissions process takes only a few steps and applying online is quick and easy. Follow the Steps to Apply to get started.