REquest For Production Access

The following document describes it this way.
In some cases, this may take more than 24 hours.
https://docs.aws.amazon.com/ses/latest/dg/request-production-access.html

In order to prevent our systems from being used to send unsolicited or malicious content, we have to consider each request carefully. If we're able to do so, we'll grant your request within this 24-hour period. However, if we need to obtain additional information from you, it might take longer to resolve your request. We might not be able to grant your request if your use case doesn't align with our policies.