Comments to all descriptors should be included into the field "Remarks". Each comment should be assigned with a prefix or abbreviation of the related passport descriptor as follows:
| Prefix | Descriptor |
| AVA | Availability |
| BRE | Breeder |
| CIN | Collecting institute |
| SOU | Collecting sources |
| COL | Collector |
| CYT | Cytology |
| ORI | Country of origin |
| NAM | Cultivar name |
| DON | Donor |
| DUP | Duplicates |
| EVA | Evaluation |
| EXP | Expedition |
| GBI | Genebank/contributor |
| GEN | Genes |
| GRO | Growth class |
| CHA | Characterisation |
| IDN | Identification number |
| LOC | Location |
| MOR | Morphology |
| NUM | Other numbers |
| NAM | Other synonymes/names |
| PED | Pedigree |
| PLO | Ploidy |
| ATT | Principal attribute |
| TAX | Scientific name |
| SAF | Safety duplication |
| SIT | Site description |
| STA | Status |