50 PR2-3 links. All should be permanent. No rented links. Links must be one way with unique IP address. No ongoing payment, No links from frame, iframe, java script, hidden text or flash sites. No more than 50 outbound links on linking page, No links from social bookmarking, blogs, forums or public profiles, article directories, link farms, blog farms or classifieds. All links have to be approved. If not approved, then it will be changed.