When does the following command result in NotNow? （CertificateListCommand, InstallApplicationCommand, ManagedMediaListCommand)

We have observed that the following command causes NotNow:

1. InstallProfileCommand(https://developer.apple.com/documentation/devicemanagement/installprofilecommand)
2. InstallProvisioningProfileCommand(https://developer.apple.com/documentation/devicemanagement/installprovisioningprofilecommand)
3. SecurityInfoCommand(https://developer.apple.com/documentation/devicemanagement/securityinfocommand)
4. CertificateListCommand(https://developer.apple.com/documentation/devicemanagement/certificatelistcommand)
5. InstallApplicationCommand(https://developer.apple.com/documentation/devicemanagement/installapplicationcommand)
6. ManagedMediaListCommand(https://developer.apple.com/documentation/devicemanagement/managedmedialistcommand)

1,2,3 becomes NotNow while the iOS device is locked.

I don't know under what circumstances 4, 5, 6 become NotNow. Please tell me.