The last known address is releasable to a divorced, deserted, or separated spouse or cohabitant (whether or not remarried) if the requester indicates child support, alimony, or other legal claim is the reason for requesting whereabouts. If the reason is not clear, return the inquiry for a more complete explanation.
If the request is for other than child support, alimony, or legal claim, furnish other REQUESTED information only to the extent required under FOIA.
SOURCE: NPRC 1865.16 and NPRC 1865.49