AGL6000 | Scientific referrals: ContentsFrom HM Revenue & Customs · Aggregates Levy GuidanceDetailsContents5 entriesAGL6100Scientific referrals: OverviewAGL6200Scientific referrals: ProceduresAGL6300Scientific referrals: Cases for referralAGL6400Scientific referrals: Records of referralsAGL6500Scientific referrals: Referral formPreviousNext