b.
Flight plan concerning IFR flights along ATS routes need to include FIR boundary estimates.

c.
When a flight plan is submitted by radio, the sequence of items in the flight plan form shall be strictly followed.

5.
No flight plans shall be filed out of ATS route structure unless prior permission has been obtained from the aeronautical ATS authorities.

6.
Flights of a specific character, such as survey flights, scientific research flights, etc, may be excepted from the restriction specified above. A request for exemption shall be

made so as to be received at least 48 working hours prior the intended date of operation to the Direccion General de Aeronautica Civil.
NOTE: Failure to comply with this procedure may result in the automatic cancellation of the Repetitive Flight Plan for that specific flight at one or more of the ATS units concerned.
7.
For a flight operated on a Repetitive Flight Plan, no flight plan message will be transmitted. Departure messages and delay messages relating to such flights will be normally transmitted.

8.
All changes to a flight plan submitted for an IFR flight and significant changes to a flight plan submitted for an uncontrolled VFR flight shall be reported as soon as possible to the appropriate ATS unit. In the event of a delay in departure of 30 minutes or more for a flight for which a flight plan has been submitted, the flight plan shall be amended or a new flight plan shall be submitted after the old flight plan has been cancelled.

NOTE: If a delay in departure (or cancellation) of a controlled flight is not properly reported, the relevant flight plan data may no longer be readily available to the appropriate ATS unit when a clearance is ultimately requested, which will consequently result in extra delay for the flight.
NOTE: If a delay in departure (or cancellation) of an uncontrolled VFR flight is not properly reported, Alerting or Search and Rescue action may be unnecessarily initiated when the flight fails to arrive at the destination airport within 30 minutes after its current estimated time of arrival.
9.
Whenever a flight, for which a flight plan has been submitted, is cancelled, the appropriate ATS unit shall be informed immediately.

10.
Changes to a current flight plan for a controlled flight shall be reported or requested, subject to the provisions in ICAO Annex 2, 3.6.2. (Adherence to flight plan), and significant changes to a flight plan for an uncontrolled VFR flight include changes in endurance or in the total number of persons on board and changes in time estimates of 30 minutes or more.

11.
A report of arrival shall be made at the earliest possible moment after landing, to the airport air transit office of the arrival airport by any flight for which a flight plan has been submitted, except when the arrival has been acknowledged by the local ATS unit.
　
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