Lookup for FHIR R4 Signature for use in FHIR R5
| Source Element | Usage | Target |
| Signature.id | UseElementSameName | Signature.id |
| Signature.extension | UseElementSameName | Signature.extension |
| Signature.type | UseElementSameName | Signature.type |
| Signature.when | UseElementSameName | Signature.when |
| Signature.who | UseElementSameName | Signature.who |
| Signature.onBehalfOf | UseElementSameName | Signature.onBehalfOf |
| Signature.targetFormat | UseElementSameName | Signature.targetFormat |
| Signature.sigFormat | UseElementSameName | Signature.sigFormat |
| Signature.data | UseElementSameName | Signature.data |