| Source Element | Usage | Target |
| Invoice.id | UseElementSameName | Invoice.id |
| Invoice.meta | UseElementSameName | Invoice.meta |
| Invoice.implicitRules | UseElementSameName | Invoice.implicitRules |
| Invoice.language | UseElementSameName | Invoice.language |
| Invoice.text | UseElementSameName | Invoice.text |
| Invoice.contained | UseElementSameName | Invoice.contained |
| Invoice.extension | UseElementSameName | Invoice.extension |
| Invoice.modifierExtension | UseElementSameName | Invoice.modifierExtension |
| Invoice.identifier | UseElementSameName | Invoice.identifier |
| Invoice.status | UseElementSameName | Invoice.status |
| Invoice.cancelledReason | UseElementSameName | Invoice.cancelledReason |
| Invoice.type | UseElementSameName | Invoice.type |
| Invoice.subject | UseElementSameName | Invoice.subject |
| Invoice.recipient | UseElementSameName | Invoice.recipient |
| Invoice.date | UseElementSameName | Invoice.date |
| Invoice.participant | UseElementSameName | Invoice.participant |
| Invoice.participant.id | UseElementSameName | Invoice.participant.id |
| Invoice.participant.extension | UseElementSameName | Invoice.participant.extension |
| Invoice.participant.modifierExtension | UseElementSameName | Invoice.participant.modifierExtension |
| Invoice.participant.role | UseElementSameName | Invoice.participant.role |
| Invoice.participant.actor | UseElementSameName | Invoice.participant.actor |
| Invoice.issuer | UseElementSameName | Invoice.issuer |
| Invoice.account | UseElementSameName | Invoice.account |
| Invoice.lineItem | UseElementSameName | Invoice.lineItem |
| Invoice.lineItem.id | UseElementSameName | Invoice.lineItem.id |
| Invoice.lineItem.extension | UseElementSameName | Invoice.lineItem.extension |
| Invoice.lineItem.modifierExtension | UseElementSameName | Invoice.lineItem.modifierExtension |
| Invoice.lineItem.sequence | UseElementSameName | Invoice.lineItem.sequence |
| Invoice.lineItem.chargeItem[x] | UseElementSameName | Invoice.lineItem.chargeItem[x] |
| Invoice.lineItem.priceComponent | UseExtension | http://hl7.org/fhir/4.3/StructureDefinition/extension-Invoice.lineItem.priceComponent |
| Invoice.lineItem.priceComponent.id | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.extension | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.modifierExtension | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.type | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.code | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.factor | UseExtensionFromAncestor | - |
| Invoice.lineItem.priceComponent.amount | UseExtensionFromAncestor | - |
| Invoice.totalPriceComponent | UseExtension | http://hl7.org/fhir/4.3/StructureDefinition/extension-Invoice.totalPriceComponent |
| Invoice.totalNet | UseElementSameName | Invoice.totalNet |
| Invoice.totalGross | UseElementSameName | Invoice.totalGross |
| Invoice.paymentTerms | UseElementSameName | Invoice.paymentTerms |
| Invoice.note | UseElementSameName | Invoice.note |