An association to Allowances and Charges that apply to the Freight Invoice as a whole.
//Gets a 'AllowanceCharge' entry.
AllowanceCharge getAllowanceCharge(int index);
//Add a new 'AllowanceCharge' entry.
void addAllowanceCharge(AllowanceCharge allowanceCharge);
//Removes a 'AllowanceCharge' entry.
void removeAllowanceCharge(int index);
//Removes all 'AllowanceCharge' entries.
//Gets the number of 'AllowanceCharge' entries in the container object.