How can organisation control petty cash issues?

Answer 1

Petty cash voucher policy usually included:

-Approval authority- who can approve the voucher.
-Maximum limit- purchase would not be say more than $100.
-Preprinted voucher to be used.
-Relevant supporting document/approval to be attached with the voucher.

And it may vary the nature of business, volume of transaction and law of the land.