Negative amounts on contract lines

Previously, contract lines with a negative contract amount, for example in case of trade-in, could not be activated.

These features are now supported:

• Activation of contract lines with a negative contract amount
• Negative advance payments
• Negative installments

These constraints apply to the newly supported features:

• The Contract Type is Fixed Price
• The Invoice Type is Installment or Delivery Based

These options are not supported:

• Progress Payments
• Discount
• Funding
• Holdback
• Shipment Acceptance