Recording details of invoice basis

This tab enables you to define the various billing heads for the flight contract.

Select the “Inv. Basis” tab in the “Edit Pricing & Invoicing Info.” page.
Enter the following fields in the multiline:

Billing Head

Use the drop-down list box to select the head or classification under which billing is made for the flight contract. Mandatory. The system lists all the values that are in active status as defined in the Billing Head Master “Manage Billing Head” activity in “Flight Operations Setup” component.

Note that for General contracts, the system does not list the invoicing element “Fixed Charges” as one of the options in this field.

Ensure that not more than one billing head is selected in the multiline for “Inv. Element” Operating Charges and “Charge for” - Usage combination.

Ensure that the value set in this field is:	For the parameter
Per Block Hour	Exclude Engine Start to Taxi Out Time from Block Hours for billing	The Charge Type for flight Usage in the Billing Head column in the Inv. Basis tab page.
Per Flight Hour	Exclude Engine Start to Taxi Out Time from Block Hours for billing	The Charge Type for flight Usage in the Billing Head column in the Inv. Basis tab page.

By default the system leaves this field blank.

The system displays the following fields in the multiline:

Inv. Element

Indicates the elements for the invoice basis on which billing is done, which could be "Fixed Charges", "Operating Charges", "Crew Charges", or “Other Charges " based on the Billing Head specified in the “Inv. Basis” tab page in the current activity.

Note that “Operating Charges’ is displayed in this field if the value selected in the “Billing Head” drop-down list box belongs to the Category, “Billing Head – Operating Charges”.

By default the system leaves this field blank.

Charge for

Indicates the basis on which the charge is made. “Charge for- Operating Charges” will be on the basis of “Activity”, “Usage”, “Fuel”, “Crew”, “No Flight”, “Others” Example Activity like Timber logging.

Enter the following fields in the multiline:

Inv. Milestone	Use the drop-down list box to specify the milestone based on which the invoicing is done. Mandatory. The system lists the following options: Beg. of Contract End of Contract Beg. of Billing Horizon End of Billing Horizon As Required Note that for General contracts the system displays the following options in this field: End of Billing Horizon As Required Ensure the following: “As Required” is selected in this field if the Charge Type is “Expense Charge Back” “End of Billing Horizon” is selected in this field if “Aircraft Level Std. Burn Rate” is specified as the “Fuel Consumption Basis” in the “Parameter” tab page of the current business component. "End of Billing Horizon" or "As Required" if “Uplifted Qty. for the Journey” is specified as the “Fuel Consumption Basis” in the “Parameter” tab page of the current business component. By default the system displays the following in this field for General contract: I. “End of Billing Horizon” if the parameter “Billing Horizon for Invoicing” is set as “Calendar Month”. II. “As Required” if the parameter “Billing Horizon for Invoicing” is set as “As Required". Similarly, for Customer Specific contracts, Inv. Milestone must be “As Required”, if the billing horizon is “As Required”.
Pay Term	The period within which the invoice due is to be paid. Help facility available
Status	Use the drop-down list box to specify the status of the billing head. The system lists the following options: Active - Indicates that the billing head defined is in active status. Inactive - Indicates that the billing head defined is in inactive status. The system displays “Active” by default in this field.
Remarks	Any comment pertaining to the invoice basis.
Charge Type	The type of charge for the billing head. Examples: Std Rate – When the rates for the billing head are charged at a Standard Rate By default the system leaves this field blank.
Unit	The unit of measurement for the invoicing basis. By default the system leaves this field blank.
Flight Ops. Type	The operation for which the charter flight is utilized.
Activity Ops. Code	The Code generated in “Manage Activity Ops. Code” activity of the “Flight Operations Setup” component.
Expense Acc. Usage	Indicates the account to which expense is charged to.

Note: Ensure that Billing Head, Inv. Milestone, Pay Term status is unique for that row in the multiline.

Click the “Save Inv. Basis” pushbutton to save the details of the invoice basis.

The system performs the following:

In case of an approved contract, generates an incremental Revision # and saves all the modified details to that revision number.
Updates the status of the contract from “Draft” to “Fresh” only after all the mandatory details are provided.
Updates the status as “Fresh” for modifications made to a Revision # that is in “Returned” status.
For unapproved contracts, updates the modified details against the same Contract # / Revision # without generating any incremental Revision #.
Updates the status of the contract from “Draft” to “Fresh” only if the following details are specified in the Edit Pricing & Invoicing Info. page:

Values must have been defined in the “Parameters” tab.
At least one definition must have been made in the “Inv. Basis” tab
At least one rate definition should be defined for all the Billing Heads (excluding Operating Charges for Usage) for which invoicing basis is defined in the Inv. Rates tab.
If the parameter “Slab rates for usage based charges” in the “Parameters” tab page is set as “Applicable”, atleast one rate in the 'Usage Rates - Slab Based' page must be defined. If the option is set as “Not Applicable” at least one rate in the 'Inv. Rates' page must be defined.
Bill to Customer must have been defined in the Contract if the type of contract is “Customer Specific”.
Invoicing policies must have been defined.