They can be filled in prior to attending the bank, making it more convenient when paying in.
[1][2][3] Pay-in slips encourage the sorting of cash and coins, are filled in and signed by the person who deposited the money, and some tear off from a record that is also filled in by the depositor.
[8] The description column on deposit slips has been used for over 100 years in the U.S. to notate where the bank should send the check to reclaim the money; this was done at first by notating in words the name of bank or its location.
[13][14] After the introduction of automated sorting of checks, many people wrote nothing at all in the deposit slip's description column.
[15][5][4] Some people put the check writers' names in the description column.