> For the complete documentation index, see [llms.txt](https://docs.payengine.co/payengine-api-v2.5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payengine.co/payengine-api-v2.5/error-and-response-codes/authorization-characteristics-indicators.md).

# Authorization characteristics indicators

<table data-header-hidden><thead><tr><th width="150">Code</th><th>Description</th></tr></thead><tbody><tr><td>A</td><td>CPS-qualified</td></tr><tr><td>E</td><td>CPS-qualified and Card Acceptor Data supplied in the authorization request</td></tr><tr><td>C</td><td>CPS-qualified for a self-service automated fuel dispenser</td></tr><tr><td>I</td><td>CPS-qualified incremental authorization request</td></tr><tr><td>M</td><td>Reserved for Germany/Direct Marketing</td></tr><tr><td>N</td><td>Not CPS-qualified</td></tr><tr><td>P</td><td>CPS-qualified and accepted for Preferred Customer qualification</td></tr><tr><td>V</td><td>CPS-qualified and included address verification request in authorization request</td></tr><tr><td>Y</td><td>Requested <strong>Y</strong> in <strong>Requested ACI</strong> field and there was a problem, CPS denied.</td></tr></tbody></table>