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Validation and Certification {#lodging-val-cert}
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Work with your payment technology provider (PTP) to allocate time to complete the message-level validation (MLV) and EMV Level 3 certification with your lodging processing system. You must pass MLV before beginning EMV Level 3 certification. You must complete validation and certification before your system can go live. For more information, see [Prerequisites](/docs/cybs/en-us/lodging/developer/ctv/rest/lodging/lodging-intro/lodging-prereqs.md "").  
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