CmdID / az / az dataprotection / az dataprotection backup-policy / az dataprotection backup-policy tag
az dataprotection backup-policy tag create-generic-criteria
create generic criteria Azure CLI extensions reference
4 options Its page in the Azure CLI extensions reference
Options
--days-of-monthSpecify days of month.--days-of-weekSpecify days of week.--months-of-yearSpecify months of year.--weeks-of-monthSpecify weeks of month