| id | 0..1 | string | Logical id of this artifact |
| meta | 0..1 | Meta | Metadata about the resource |
| implicitRules | 0..1 | uri | A set of rules under which this content was created |
| language | 0..1 | code | Language of the resource content |
| text | 0..1 | Narrative | Text summary of the resource, for human interpretation |
| contained | 0..* | Resource | Contained, inline Resources |
| extension | 0..* | Extension | Additional content defined by implementations |
| modifierExtension | 0..* | Extension | Extensions that cannot be ignored |
| identifier | 0..* | Identifier | Business Identifier for item |
| status | 1..1 | code | draft | issued | balanced | cancelled | entered-in-error |
| cancelledReason | 0..1 | string | Reason for cancellation of this Invoice |
| type | 0..1 | CodeableConcept | Type of Invoice |
| subject | 0..1 | Reference | Recipient(s) of goods and services |
| recipient | 0..1 | Reference | Recipient of this invoice |
| date | 0..1 | dateTime | Invoice date / posting date |
| participant | 0..* | BackboneElement | Participant in creation of this Invoice |
| issuer | 0..1 | Reference | Issuing Organization of Invoice |
| account | 0..1 | Reference | Account that is being balanced |
| lineItem | 0..* | BackboneElement | Line items of this Invoice |
| totalPriceComponent | 0..* | | Components of Invoice total |
| totalNet | 0..1 | Money | Net total of this Invoice |
| totalGross | 0..1 | Money | Gross total of this Invoice |
| paymentTerms | 0..1 | markdown | Payment details |
| note | 0..* | Annotation | Comments made about the invoice |