https://legaldoc.dl.playstation.net/ps3-eula/psn/e/e_tosua_en.html
(Do ctrl + F and search for resale, that's where you'll find it.)
Sony...this is just plain...dirty. I thought you were for non-DRM on the resell of games. What happened?
-
That's the PS3 EULA/TOS thing... If the PS4 one is the same then it won't have any effect on reselling used games, since you are able to buy and sell used PS3 copies easily.