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Parameter <slipno> is used for reconciliation of authorization reports from Assist and financial reports on compensation from the processing or acquiring bank.
| Processing | Operation type | Value of <slipno> parameter, which is sent in Assist request | Example | 
| Multicard | Payment | <slipno> value of processing | <slipno>11111111</slipno> | 
| On-line cancellation | no | <slipno></slipno> | |
| Partial cancellation | <slipno> value of payment | <slipno>11111111</slipno> | |
| Refund | New <slipno> value | <slipno>11222111</slipno> | |
| Other processings | All | no | <slipno></slipno> | 
