moodle/lang/en_utf8/help/enrol/authorize/review.html

<p class="center"><b>How will I manually accept/deny payments?</b></p>

<ul>
 <li>Check an_review.</li>
 <li>Enter '0' to an_capture_day field.</li>
</ul>

<p class="center"><b>How will students be enrolled to courses immediately when they entered their card number?</b></p>

<ul>
 <li>Uncheck an_review.</li>
</ul>