Yes. Please state the exact partial amount clearly on the invoice. If handwritten, include your signatory and company stamp as you state the partial amount. You can also type it into the invoice if you prefer. E.g.: Partial payment of USD 5670.87, sign, and stamp on invoice.
You can upload the same invoice when you are making your balance payment. However, if you have more than one balance payment, please state details of your next few balance payments on your first transaction invoice. E.g.: Partial payment of USD 5670.87, XXXX.XX, and YYYY.YY (or can be in %). Lastly, ensure that the partial amount you are transferring tallies with the order amount.