This functionality is currently available via administration panel.
For settlements with partner agencies, you should configure rules for invoicing.
For that,
Open the profile of the required client.
Go to the Contract tab.
On the Invoices tab, select the check boxes of your choice. The options available include:
Enable request invoices for customer: if the check box is selected, a client will be able to request and download invoices directly from their profile.
Allow the client to request invoice for prepayment: If the check box is selected a client can independently determine the amount to be included into invoice for prepayment.
Apply custom currency recalculation rules: if the check box is selected you will be able to set your own currency recalculation rules, for example, for issuing or paying for invoices. This rules will be applied only for selected contract.
Allow to edit/cancel services after the issuing of invoice: if this check box is selected, a client will be able to modify/cancel services after invoicing.
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4. Set the invoicing rules. Click the required button:
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