Named Entity Recognition Grammars Package 26.2
Named Entity Recognition Grammars User Guide

# au_email_markings grammar

The au_email_markings grammar is found in the set GOV.

entity | description | examples | components | checksum
--- | --- | --- | --- | ---
document_markings/au_email/caveat/context/au | A security handling caveat, warning of additional protection to the classification level, with context.1 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | CAVEAT=SH:NATIONAL-CABINET | ✔️ | ❌
document_markings/au_email/caveat/landmark/au | A security handling caveat landmark.2 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | CAVEAT= | ❌ | ❌
document_markings/au_email/caveat/nocontext/au | A security handling caveat, warning of additional protection to the classification level, without context.3 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | SH:NATIONAL-CABINET | ✔️ | ❌
document_markings/au_email/classification_level/context/au | A security classification level, with context.4 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | SEC=PROTECTED | ✔️ | ❌
document_markings/au_email/classification_level/landmark/au | A security classification level landmark.5 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | SEC= | ❌ | ❌
document_markings/au_email/classification_level/nocontext/au | A security classification level, without context.6 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | PROTECTED | ✔️ | ❌
document_markings/au_email/deprecated_classification_level/nocontext/au | A classification level marker that was part of a standard which was replaced in Oct 2018, without context.7 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | HIGHLY PROTECTED | ✔️ | ❌
document_markings/au_email/dissemination_limiting_marker/nocontext/au | A security dissemination marker part of a standard which was replaced in Oct 2018, without context.8 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | For Official Use Only | ✔️ | ❌
document_markings/au_email/downto_level/context/au | The classification level after expiration, with context.9 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | DOWNTO=OFFICIAL:Sensitive | ✔️ | ❌
document_markings/au_email/downto_level/landmark/au | A landmark for the classification level after expiration.10 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | DOWNTO= | ❌ | ❌
document_markings/au_email/expires/context/au | A classification level expiration date or event, with context.11 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | EXPIRES=2019-01-07T12:30:19 | ✔️ | ❌
document_markings/au_email/expires/landmark/au | A classification level expiration date or event landmark.12 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | EXPIRES= | ❌ | ❌
document_markings/au_email/expires/nocontext/au | A classification level expiration date or event, without context.13 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | 2019-01-07T12:30:19 technology obsolescence | ✔️ | ❌
document_markings/au_email/header_marking/context/au | A complete internet message header extension security marking conforming to the specifications.14 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | VER=2018.4, NS=gov.au, SEC=TOP SECRET, CAVEAT=RI:REL AUS/USA/FRA, ORIGIN=jane.doe@example.gov.au | ✔️ | ❌
document_markings/au_email/information_management_marker/context/au | An information management marker used for non-security related restrictions, with context.15 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | ACCESS=Legal-Privilege | ✔️ | ❌
document_markings/au_email/information_management_marker/landmark/au | An information management marker landmark.16 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | ACCESS= | ❌ | ❌
document_markings/au_email/information_management_marker/nocontext/au | An information management marker used for non-security related restrictions, without context.17 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | Legal-Privilege | ✔️ | ❌
document_markings/au_email/namespace/context/au | Namespace of terms used in protective marking, with context.18 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | NS=gov.au | ✔️ | ❌
document_markings/au_email/namespace/landmark/au | A namespace landmark.19 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | NS= | ❌ | ❌
document_markings/au_email/namespace/nocontext/au | Namespace of terms used in protective marking, without context.20 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | gov.au | ✔️ | ❌
document_markings/au_email/note/context/au | A supplementary note or comment, with context.21 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | NOTE=a useful comment | ✔️ | ❌
document_markings/au_email/note/landmark/au | A supplementary note or comment landmark.22 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | NOTE= | ❌ | ❌
document_markings/au_email/origin/context/au | Email address of the person who originally classified the email, with context.23 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | ORIGIN=jane.doe@example.gov.au | ✔️ | ❌
document_markings/au_email/origin/landmark/au | An origin email address landmark.24 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | ORIGIN= | ❌ | ❌
document_markings/au_email/origin/nocontext/au | Email address of the person who originally classified the email, without context.25 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | jane.doe@example.gov.au | ✔️ | ❌
document_markings/au_email/portion_marking/nocontext/au | A marker indicating the security classification level of a portion of a document, without context.26 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | (PROTECTED) | ❌ | ❌
document_markings/au_email/subject_field_marking/context/au | A complete email subject field security marking conforming to the specifications.27 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | [SEC=OFFICIAL, CAVEAT=SH:DELICATE SOURCE, ACCESS=Personal-Privacy, ACCESS=Legal-Privilege] | ✔️ | ❌
document_markings/au_email/version/context/au | Version of the protective marking specification used, with context.28 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | VER=2018.4 | ✔️ | ❌
document_markings/au_email/version/landmark/au | A protective marking specification version landmark.29 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | VER= | ❌ | ❌
document_markings/au_email/version/nocontext/au | Version of the protective marking specification used, without context.30 To ensure that the entities in this grammar perform correctly, set your TangibleCharacters configuration to include the following characters: /()[]. For more information, see Configure Tangible Characters. | 2018.4 | ✔️ | ❌

The following components are produced by the above entities.

components | description | examples | context
--- | --- | --- | ---
CAVEAT | caveat value | RI:REL AUS/USA/FRA | VER=2018.4, NS=gov.au, SEC=TOP SECRET, CAVEAT=RI:REL AUS/USA/FRA, ORIGIN=jane.doe@example.gov.au
CLASSIFICATION_LEVEL | secure classification level | TOP SECRET | VER=2018.4, NS=gov.au, SEC=TOP SECRET, CAVEAT=RI:REL AUS/USA/FRA, ORIGIN=jane.doe@example.gov.au
DEPRECATED_CLASSIFICATION_LEVEL | deprecated classification level |  | HIGHLY PROTECTED
DISSEMINATION_LIMITING_MARKER | dissemination limiting marker |  | For Official Use Only
DOWNTO_CLASSIFICATION_LEVEL | down-to classification level | OFFICIAL:Sensitive | DOWNTO=OFFICIAL:Sensitive
EXPIRY_DATE | expiration date | 2019-01-07T12:30:19 | EXPIRES=2019-01-07T12:30:19
EXPIRY_EVENT | event that triggers expiry | technology obsolescence | technology obsolescence
INFORMATION_MANAGEMENT_MARKER | information management marker | Legal-Privilege | ACCESS=Legal-Privilege
NAMESPACE | namespace of the classification | gov.au | gov.au
NOTE | notes | a useful comment | NOTE=a useful comment
ORIGIN | originator of the classification | jane.doe@example.gov.au | VER=2018.4, NS=gov.au, SEC=TOP SECRET, CAVEAT=RI:REL AUS/USA/FRA, ORIGIN=jane.doe@example.gov.au
VERSION | classification version number | 2018.4 | VER=2018.4

In the tables, ✔️ indicates that the item is always used, and ❌ that the item is never used. The ✓ symbol indicates that the item is only used for some entities (that is, for some but not all countries or languages). For details, refer to the relevant entity page.

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Version 26.2 | Last updated April 2026

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Product: Named Entity Recognition Grammars Package 26.2

Topic Title: au_email_markings grammar