Crossword clues for Required: Abbr. 3 lettersAnswerClueSIGCheck-cashing requirement: Abbr.ISPSurfer's requirement?: Abbr.SAEReturn mail requirement (abbr.)IDSCheckpoint requirements: Abbr.SAESubmission requirement: Abbr.NECRequired: Abbr.OTCRequiring no prescription: Abbr.OTCNot requiring a prescription (abbr.)SAERequirement to post back: Abbr.DDSRequirement for some drilling: Abbr.FDAIt may require milk to be pasteurized: Abbr.BASRequirements for many starting jobs (abbr.)LPSThey require many turns to play: Abbr.PMIHome lender's requirement for lendees who don't pay a high enough down payment: Abbr.RCPTGift exchange requirement: Abbr.SASEReturn mail requirement (abbr.)SPECRequirement: Abbr.SPECSDetailed requirements: Abbr.STDSUniform requirements: Abbr.DISSPh.D. requirement: Abbr.SASEReply requirement: abbr.STDSLevels of requirement: Abbr.DDDDPostdoc requirements: Abbr.HMOSThey often require referrals: Abbr.APPTSWalk-in clinics don't require them: abbr.ACCTIt may require a password: Abbr.RCPTRebate requirement, at times: Abbr.IEPSPublic-school requirements for students with disabilities: Abbr.