You can, (and as you might have seen people do) but you shouldn't because it will never go away and you are ruining government property!
how do we write a letter to get pending money
No.
money and power
To make money.
I have no idea what a "money man" story would be, but here are some links to help you learn how to write.
To invoice them.
yes
Write_a_slogan_on_the_value_of_money
for the money!
$1000
$2.15
no