NAATRIN
National Adoption Assistance, Training, Resource and Information Network.

NAC
National Adoption Center

NACAC
North American Council on Adoptable Children

NAIC
National Adoption Information Clearinghouse

No Claim to Paternity Document
A document the agency (or attorney) processing an adoption will obtain from the Child Support Enforcement Bureau that discloses if any person has filed a claim to be the father of a particular child.

non-recurring expense
Adoptive parents of children with special needs are eligible for a one-time payment of non-recurring adoption expenses, one form of assistance in financing an adoption. The amount varies by state, and can be used to cover adoption fees such as homestudy fees, court costs, and attorney fees.