AWS Certified Solutions Architect Associate Test 10

Each Amazon EBS Snapshot has a createVolumePermission attribute that you can set to one or moreAWS Account IDs to share the AMI with those AWS Accounts. To allow several AWS Accounts to usea particular EBS snapshot, you can use the snapshots's createVolumePermission attribute to includea list of the accounts that can use it.
Reference:
http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/UsingIAM.html