Dream of IOUs
It indicates that you have a strong sense of responsibility in the near future and will do a lot of thankless things for others, but if you don't do it, you will lose a lot.
Psychoanalysis:
As symbolic things in dreams, bills, IOUs or discount coupons play the same role as people who reserve places for others. When he treats and deals with another thing, he always seems to see through the details at a glance.
Your dream bill represents more possibilities for you. Because documents are used for communication between individuals, they also symbolize that people help each other. Dreaming that IOUs represent a person's inner responsibility or guilt.