Tables Used

ECA - Preview. Used to query Preview.
ECF - Events of Advance Payment. Used to query events of advance payment.
EEC - Shipment Cover. Used to query the shipment cover.
EEQ - Exchange Installments. Used to query the exchange installments.
EF1 - Financing Cover (Export). Used to query the cover of export financing.
EF3 - Contract Events. Used to query events of the contract.
SA1 - Customer Register. Used to query the register of customers.