The coordination process is described in Circular No. 2399 of August the 5th , 2005 and in the IATA Worldwide Slot Guidelines (www.iata.org/wsg).
The prerequisites for the allocation of slots by the coordinator are as follows:
- Coordination parameters of slots, taking into account all technical, operational and environmental data relevant as well as any changes in these constraints
- Receipt from airport autorithies of actual data related to airlines operated times in coordinated airports
- Receipt from airlines of all relevant information which may be requested
- Determination of historics slots (SHL) of air carriers under the rule of 80% and transmission to air carriers for validation
