|Description||Mandatory parameter used for creating a recurring payment that allows to define the recurring payment start date.
This parameter does not always match with the date of the first installment that depends only on the vads_sub_desc parameter.
The effective date indicates when the recurring payment starts. The format of this date is YYYYMMDD.
Example: for 1 February 2015, enter 20150201.
Input and output field, returned in the response (IPN and Return URL).
|Category||Recurring payment details.|