This section contains the following:
| HCOTEG121510 | Introduction |
| HCOTEG121520 | What markers are used? |
| HCOTEG121530 | Where is marking carried out? |
| HCOTEG121540 | Who is allowed to mark? |
| HCOTEG121560 | Oils delivered marked |
| HCOTEG121570 | Rebated and relieved oils |
| HCOTEG121580 | Procedures for the importation and exportation of marked oil |
