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An AIP Data Set file should have the following name structure “CC_CC_CC…[Territory]_AIP_DS_Variant[_Part]_YYYYMMDD[_AIRAC].xml", where:

• CC represents the 1-letter or 2-letters ICAO Country code(s) of the State(s) under which authority the data set is published, according to the ICAO DOC 7910 - Location Indicator;
  Note: When a Data Set is published for an entire region, as result of a regional database agreement, CC may be replaced by a code representing that region, such as “EU” in the case of the European AIS Database.

• [_Territory] is optional and is the official name of the Territory covered by the data set, if applicable;

• AIP_DS is a fixed text (meaning “AIP Data Set”);

• Variant is a mandatory element and it can take one of the following values (based on the [To review] Data set variants guidelines):

1. 1. FULL - when the file contains a complete AIP data set or a subset thereof;

   2. DIFF_BL - when the the file contains an AIP Data Set Differences variant coded with BASELINE TimeSlices;

   3. DIFF_DELTA - when the file contains an AIP Data Set Differences variant coded with PERMDELTA TimeSlices.

   4. SUP - when the file contains a Supplementary AIP Data set.

• [_Part] is optional and indicates that the file constitutes a subset of the complete AIP data set provided by the State, if applicable. For example, values such as "_Civil", "_Military", "_Navaid", etc. could be used. 

• YYYYMMDD is the start of effective date in the format year, month, date;

• “_AIRAC” is optional and it shall be appended for Data Sets that contain changes complying with the AIRAC cycle rules.