Words to Describe notification

How notification often is described ("________ notification")

• regular
• written
• such
• congressional
• patient
• electronic
• merger
• necessary
• physician
• simple
• adequate
• certain
• obligatory
• automatic
• explicit
• informal
• reasonable
• official
• mandatory
• parent
• formal
• advanced
• overdue
• time
• appropriate
• sufficient
• asynchronous
• timely
• public
• initial
• above
• instant
• due
• mutual
• presidential
• event
• mere
• vide
• receive
• oral
• immediate
• routine
• email
• premerger
• alert
• diplomatic
• premarket
• day
• mail
• spousal
• compulsory
• statutory
• proper
• parental
• partner
• prompt
• prior
• voluntary
• early
• subsequent
• final
• verbal
• preliminary
• previous