6. For system administration purposes, the Minister keeps the following accounts:1° an issuance account, containing the emission units created on the basis of the caps established in accordance with section 46.7 of the Environment Quality Act (chapter Q-2);
1.1° an allocation account, containing the emission units available for allocation without charge, calculated in accordance with Part II of Appendix C of this Regulation;
2° an auction account, containing the emission units to be sold at auction;
3° a reserve account, containing emission units intended for sale by mutual agreement by the Minister or to be used to adjust the quantity of emission units allocated without charge;
4° a retirement account, in which emission allowances retired from the system are recorded in accordance with this Regulation;
5° an environmental integrity account, containing the offset credits that may be extinguished to replace the illegitimate offset credits not surrendered by a promoter;
6° an invalidation account, containing offset credits issued and cancelled by a partner entity and offset credits withdrawn from the environmental integrity account to replace illegitimate offset credits in accordance with the fourth paragraph of section 70.21;
7° a cancellation account in which cancelled emission allowances are recorded when created by error.