The difference between direct and indirect supervisor is the presence of the supervisor. Direct supervision means a supervisor is psychically present.
When mailing a certified letter, a person should expect it to take from three to five days to reach its destination. Depending on how long it takes the recipient to pick up the letter, the process can take up to 21 days. People who send certified mail receive a notification to prove that the letter has been received by its recipient.
This reminder informs the person a USPS Certified MailÂ® letter is being held at the local Post Office for pick-up. They must go to the Post Office to Sign for the letter and pick it up. If no one picks up the letter after 5 to 7 days, USPS will leave a second delivery notice. Again the delivery slip reminder is left by the letter carrier. Finally after 5 to 7 days the final delivery attempt is made to the delivery address.