The key changes to the operation of the licensing system are contained in chapter 2 of Part 2 of the Bill, section 12 of which replaces in full Part IV of the 1992 Act. The former sections 82 to 99 of the 1992 Act are being repealed and re-enacted with amendments in revised sections 82 to 99H. These 26 sections will constitute the core of the new IPPC code.