Words to Describe notifications

How notifications often is described ("________ notifications")

• regular
• such
• governmental
• electronic
• necessary
• certain
• similar
• automatic
• explicit
• various
• official
• mandatory
• annual
• legal
• incoming
• relevant
• late
• duplicate
• formal
• additional
• time
• appropriate
• asynchronous
• active
• timely
• administrative
• public
• weekly
• based
• query
• initial
• above
• usual
• receipt
• further
• event
• corporate
• receive
• oral
• periodic
• immediate
• routine
• email
• domestic
• frequent
• alert
• remote
• separate
• click
• premarket
• mail
• statutory
• printed
• related
• counter
• agricultural
• following
• required
• monthly
• numerous
• proper
• prior
• unnecessary
• date
• unsolicited
• voluntary
• subsequent
• individual
• false
• brief
• earlier
• previous
• multiple