According to my country's regulation I need to request invoice from the affiliates before I pay the commissions. Is this common? I mean you also request invoice to pay the commission?
Then you print it out and send it to your government, or file it for tax purposes, or whatever.INVOICE
Date
To
(your data)
From
(Affiliates data)
Services / Amount
Promotion of XYZ / xx.xxx$
Promotion of XVT / xx.xxx$
Total
Marketing / xxx.xxx$