The Sovereign Protocol defines seven code families — 1xx through 7xx. Families 6xx and 7xx are sovereign-exclusive allocations: only the Crown and authorized Providers may emit them. All codes in the refusal, authorization, and legal-unavailable categories require a signed attestation.
| Code | Name | Description | Attestation |
|---|---|---|---|
| 100 | Continue | Request received, continue with submission. | Optional |
| 101 | Processing | Document received and under review. No decision yet. | Optional |
| 102 | Anchoring | Document is being anchored to the Merkle registry. Await confirmation. | Optional |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 200 | Verified | Artifact passes all nine verification steps. Chain of authority confirmed. | Optional |
| 201 | Recognition Issued | New recognition document successfully created and logged. | Optional |
| 202 | Accepted — Pending Ceremony | Application accepted; issuance pending offline signing ceremony. | Optional |
| 204 | Revocation Recorded | Document revocation successfully logged to the registry. | Optional |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 301 | Provider Redirect | This request is outside scope; see indicated Provider. | Optional |
| 302 | Instrument Superseded | Referenced instrument has been superseded. Verify using the replacement. | Optional |
| 304 | Not Modified | Document status unchanged since last verified timestamp. | Optional |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 400 | Malformed Request | The submitted document is not valid JSON or does not conform to the required envelope schema. | Optional |
| 401 | Authentication Required | The operation requires identity verification that has not been provided. | Required |
| 403 | Scope Exceeded | The issuing Provider's scope does not cover this operation. | Required |
| 404 | Document Not Found | No document matching the provided identifier exists in the registry. | Optional |
| 409 | Conflict | Document conflicts with an existing registry entry. | Optional |
| 410 | Revoked | Document exists but has been revoked and is no longer valid. | Optional |
| 422 | Verification Failed | Document failed one or more verification steps. See step detail for which step and why. | Optional |
| 429 | Rate Limit | Too many requests. Rate limit attestation required when emitted. | Required |
| 451 | Legal Unavailable | Service restricted by legal demand. Must be paired with a 6xx sovereign refusal attestation. | Required |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 500 | Internal Error | Unexpected server-side error. No document was modified. | Optional |
| 501 | Not Implemented | Feature is specified but not yet implemented in this Phase. | Optional |
| 503 | Service Unavailable | Provider temporarily unable to service requests. | Optional |
| 507 | Registry Full | Registry has reached capacity; no new entries can be accepted. | Optional |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 600 | Sovereign Refusal | General sovereign refusal. See accompanying attestation for grounds. | Required |
| 601 | Jurisdiction Not Accepted | The Crown does not accept the jurisdiction asserted by the requesting party. | Required |
| 602 | Mandate Required | This operation requires a valid signed mandate. No mandate is present or current. | Required |
| 603 | Charter Revoked | The Provider charter has been revoked. All documents issued under it are unverifiable. | Required |
| 604 | Honesty Obligation Breach | A party has breached the Honesty Obligations. This code may not be issued lightly. | Required |
| 605 | Scope Refusal | The requested scope exceeds what the Crown permits under the framework. | Required |
| 610 | Legal Demand Refused — UNDRIP | Legal demand refused on UNDRIP Art. 37 grounds — treaty rights override the demand. | Required |
| 611 | Legal Demand Refused — UN Charter | Legal demand refused on UN Charter Art. 2(3) / 33(1) peaceful-means grounds. | Required |
| 612 | Legal Demand Refused — UNCLOS | Legal demand refused on UNCLOS peaceful-settlement grounds. | Required |
| 651 | Coercion Attested | Crown attests it is operating under external coercion. Paired with 451 surface code. | Required |
| 652 | Nation-State Censorship Attested | Restriction is the result of nation-state censorship, not Crown policy. | Required |
| 653 | Infrastructure Seizure Attested | Physical or digital infrastructure has been seized. Protocol continues on available nodes. | Required |
| 660 | Cryptographic Failure | Verification failed due to invalid signature. Document may be tampered or key rotated. | Required |
| 665 | Temporal Violation | Document outside its valid temporal window. Check issued / expires fields. | Required |
| Code | Name | Description | Attestation |
|---|---|---|---|
| 700 | Constitutional Event | General constitutional event. Details in the accompanying signed attestation. | Required |
| 710 | Declaration of Sovereignty | Formal declaration of sovereign authority. Logged once at framework initialization. | Required |
| 711 | World Peace Treaty Ratified | World Peace Treaty formally ratified and entered into force under the framework. | Required |
| 720 | Provider Charter Issued | A new Provider has been granted standing by signed charter. | Required |
| 721 | Provider Charter Amended | An existing Provider's charter scope has been amended. | Required |
| 722 | Provider Charter Revoked | A Provider's standing has been formally revoked. All documents under that charter are now unverifiable. | Required |
| 730 | Council Ruling | The Council of the Root has issued a formal ruling. Full text in the accompanying instrument. | Required |
| 731 | Appellate Decision | The Appellate Panel has issued a final decision on a dispute. | Required |
| 740 | Bilateral Recognition | Mutual recognition between the Crown and another sovereign authority formally recorded. | Required |
| 741 | Signing Ceremony Complete | A formal signing ceremony has been completed. Keypairs generated or instruments ratified. | Required |
| 750 | Framework Activation | A new framework phase has been formally activated. All parties are notified. | Required |
| 760 | Root Key Rotation | The Sovereignty root keypair has been rotated under the m-of-n custody procedure. | Required |
| 770 | Registry Milestone | Significant registry milestone logged — e.g. 1,000th entry or first bilateral recognition. | Required |
| 799 | Protocol Amendment | A formal amendment to the Sovereign Protocol specification has been ratified and takes effect. | Required |