| General controls applied to General Tab of the ground service charge forms:   
| LEVEL | DESCRIPTION |  
| ERROR | Ground information is not entered at the ground tab. |  
| ERROR | Company information is missing at the ground tab. |  
| ERROR | Airport information is missing at the ground tab. |  
| ERROR | Domestic/international information is missing at the ground tab. |  
| WARNING | Domestic/International information is inconsistent (when the airport, country of the company/airline and the country of the handling company are the same, the ground form is considered to be domestic). |   Controls applied to General Tab of the ground service charge forms when Aircraft Registration information is supplied:   
| LEVEL | DESCRIPTION |  
| WARNING | Aircraft Registration information is present but Airline information is missing. |  
| WARNING | Aircraft Registration information is present but Load Type information (passenger, cargo, baggage, combi) is missing. |  
| WARNING | Aircraft Registration information is present but registration Load Type information(passenger, cargo, baggage) is missing for that registration. |  
| WARNING | Input Load Type information and the Aircraft Registration Load Type information are inconsistent. |  
| ERROR | Aircraft Registration information is present but Scheduled/charter information is missing. |  
| ERROR | Aircraft Registration information is present but Flight Type information(transportation, military, general aviation) is missing. |  
| ERROR | Aircraft Registration information is present but Normal/technical flight information is missing. |   |