, few applications have started changing their behaviour around non-merchant payments and one or more of the following are seen in few apps:</p>
<ul>
<li>An implicit "unverified source" warning or a direct warning indicating that merchant data in the request is not correct</li>
<li>Z7 error, "Transaction Frequency Limit Exceeded": See <a href="https://github.com/reeteshranjan/upi_pay/files/6338492/PHN6WKI7_UPI_Error_and_Response_Codes_V_2_3_1.pdf">UPI Error and Response Codes</a></li>
<li>U16 error, "Risk T