Consumer Banking and Payments Law: 3.2.3 Keeping Track of Who Is Who in the Life of a Check
It is sometimes helpful to keep track of the parties to a check using a standard diagram, as rights and liabilities on the check are based on the role and order of the parties in the life of the check. Standard practice is to place the non-bank parties on the top line, and the bank parties on the bottom line, since rights and liabilities may be different for banks.
The diagrams use the symbol Π to indicate the plaintiff and the symbol Δ to indicate defendant. A diagram in which the payee takes the check directly to the drawee bank for payment looks like this:



