Related Clues:

• Terms of reference
• Pay; mail
• Email directive
• Put a timer backward?
• Summon, with "for"
• Watch back for assigned task
• 'You ___ Me' (1957 R&B hit)
• Mail in, as payment
• Overnight, say
• Use email or text
• Wire, e.g
• Forward along
• Send a check
• Send some more mittens
• Take and give out orders