Create a Logs Bucket with a retention period of 1095 days. Create a new Logs Sink with the new Logs Bucket as destination and the inclusion filter of the _Required Sink.

Update the retention period of the _Default Logs bucket from 30 days to 1095 days.

Update the retention period of the _Required Logs bucket from 400 days to 1095 days.

Create a Logs Bucket with a retention period of 1095 days. Create a new Logs Sink with the new Logs Bucket as destination and the inclusion filter of the _Default Sink.