What are the AAT's 5 fundamental principles of ethics?

You are asked to produce a report from figures that are not up to date due to a computer problem. A colleague suggests using averages to get it done.
Which principle is in issue?

You have received a letter asking for financial information regarding a customer to secure a rental property asap?
Which principle is in issue?

A friend tells you she is going to inherit and asks you about taxation matters which is not your specialism
Which principle is in issue?

A grateful client offers you a free weekend break in France
Which principle is in issue?

Name 2 safeguards that could be put in place to prevent principles being compromised in the work environment