TCS invoices pass on the costs.

Monthly, you will receive two invoices from TCS by email. One for the monthly fee and one for the transactions. You pass on these invoices to Coppelmans and Tuinwereld. You invoice Coppelmans to CIC, relationship 1689, and Tuinwereld to Tuinwereld Netherlands, relationship 1076. The invoice remark is "Monthly costs", "Own gift card".
You invoice the number of locations (this is the fee invoice). CIC has 9 locations and Tuinwereld has 3.
The article number for this is 2764, the price is €17.98. You also invoice the number of transactions.
Look at the number on the invoice and charge it using article number 2765. The price is €0.12 per transaction.