What was the toughest accounting task you faced in your career?

To systemise the accounts and financials of the company in a proper as well as in a legitimate manner

The most difficult and cumbersome task was to reconcile and logical analysis of the financial data of the project site with financial data at head office.

• our real level of experience. (Everyone with some experience in accounting have solved difficult tasks. Oppositely, people who did accounting only at schools will struggle to come up with any difficult tasks they faced.)
• The way you think about problems, and about solving them. (Once you describe the toughest task, interviewers will ask you to elaborate on it with your solution of the problem.)

when i did first reconciliation in different currency. than i notice this is some tough accounting task which need additional experience.