PA Unique Criteria Consistency

A *moderator* states that restricted site links are not eligible for PA credit:
https://eccie.net/showpost.php?p=1063066399&postcount=8
Yes that's OH2.
Restricted access sites simply don't qualify for PA. Seeking also comes to mind.
Thus, other contact info required that can be verified. Originally Posted by Unique_Carpenter
Yet, the supplemental link to an OH2 Ad is available without OH2 membership:
https://home.ourhome2.net/showthread...Until-Midnight


This is not unlike links to ECCIE profiles that require ECCIE membership access.


What is the consistent, ECCIE-wide criteria?