| Identifiers | concept:Identifier | Identifiers carried by this entity, such as national ID numbers, program IDs, or identifiers asserted by an identity document. |
| Certified subject | uri | The URI of the product, lot, process, operation, facility, organization, group or person that the certification is about. |
| Certifying organization | concept:Organization includes PublicOrganization, EducationProvider, ProducerOrganization | The organization that issues the certification, such as a certification body or control authority. |
| Certification scheme | uri | The URI of the certification scheme, including its edition where that affects the requirements. |
| Certification scope | concept:CodedValue | The activities, product categories or limitations that the certification covers, coded under the scheme where possible. |
| Valid from | date | The first calendar day on which the registration, permission, certification or other stated fact applies, as its source states it, when known. A later suspension, withdrawal or correction is recorded separately and does not overwrite this date. |
| Valid to | date | The last calendar day on which the registration, permission, certification or other stated fact applies, as its source states it. A later suspension, withdrawal or correction is recorded separately and does not overwrite this date. If absent, the end is unknown, not unlimited. |