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The cheque within the recurring payment
The parameter RecurringIndicator = 1 should be set in initial authorization request (see paragraph 2.1) in order to initiate the recurrent payment. Also the parameters of the range of amounts in subsequent recurring payments, payment frequency (in days) and the end date of subscription should be provided.
Then periodically the company will initiate the payment, setting the payment amount only and the rest required payment information (credit card data) is taken from the original payment.