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Conventions
The following conventions are used:

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Title	Name of provider
Identifier	DS-META-001
Requirement	Each ICAO data set shall be provided together with metadata giving the name of the organizations or entities providing the data set.
Notes	Note: This is the minimum set of metadata that ensures data traceability from the end-user to the originator. The next intended user has a contact from which to request supplementary metadata which the AIS has collected and stored. Note: It should not be possible to identify an individual when providing this metadata.
Trace to ICAO	Each data set shall include the following minimum set of metadata: a) the name of the organizations or entities providing the data set; Source: PANS-AIM – First Edition Draft, s5.3.2.1

Title	Date and time when provided
Identifier	DS-META-002
Requirement	Each ICAO data set shall be provided together with metadata giving the date and time when the data set was provided.
Notes	-
Trace to ICAO	Each data set shall include the following minimum set of metadata: … b) the date and time when the data set was provided; Source: PANS-AIM – First Edition Draft, s5.3.2.1

Title	Validity of the data set
Identifier	DS-META-003
Requirement	Each ICAO data set shall be provided together with metadata giving the validity of the data set.
Notes	Note: ICAO Annex 15 does not define "validity". Therefore, this document defines it as the valid date range for the dataset. Note: In many cases there will be no end date for the date range.
Trace to ICAO	Each data set shall include the following minimum set of metadata: … c) validity of the data set; Source: PANS-AIM – First Edition Draft, s5.3.2.1

Title	Indication that this is an AIRAC update
Identifier	DS-META-004
Requirement	Each ICAO data set shall be provided together with metadata that indicates when the data set has been updated according to the AIRAC System.
Notes	Note: This requirement covers the need to identify an AIRAC change.
Trace to ICAO	Each data set shall include the following minimum set of metadata: … c) validity of the data set; Source: PANS-AIM – First Edition Draft, s5.3.2.1

Title	Limitations on use
Identifier	DS-META-005
Requirement	Each ICAO data set shall be provided together with metadata giving any limitations with regard to the use of the data set.
Notes	Note: This includes statements such as those concerning the fitness for use of the data set. Note: This includes access rights, fees, legal restrictions, etc.
Trace to ICAO	Each data set shall include the following minimum set of metadata: … d) any limitations with regard to the use of the data set. Source: PANS-AIM – First Edition Draft, s5.3.2.1

Title	Temporal reference system
Identifier	DS-META-006
Requirement	Each ICAO data set shall, conditionally, be provided together with metadata giving a description of the temporal reference system used in the data set or a citation for a document that describes that describes that temporal reference system when a temporal reference system other than the Gregorian calendar and Coordinated Universal Time (UTC) is used.
Notes	-
Trace to ICAO	When a different temporal reference system is used for some applications, the feature catalogue, or the metadata associated with an application schema or a data set, as appropriate, shall include either a description of that system or a citation for a document that describes that temporal reference system. Source: ICAO Annex 15 – Sixteenth Edition DRAFT 1, s1.2.3.2

Title	Geographical extent of the data set
Identifier	DS-META-007
Requirement	Each ICAO data set should be provided together with metadata giving the geographical extent of the data set.
Notes	Note: The geographical extent may be a country, a territory, a geographical bounding box or polygon.
Trace to ICAO	Not applicable. However, this requirement was requested by the AIM community.

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