Ethical standards in brief
1.no over-familiarity with clients     
2.limitations on loans of staff to clients 
    3.no client to constitute more than 10% of practice income 
    4.declarations of financial interests and family members' relationships with clients     
5.audit partner rotation normally after 10 years, or five years for a listed company     
6.sufficient staff on audit to comply with auditing and ethical standards, irrespective of fees
     7.a partner responsible for firm's ethics     * contingent fee arrangements not acceptable 
    8.fees for one year to be paid before next year's work begins
     9.gifts from client banned unless insignificant 
    10.hospitality from client banned unless reasonable
     11.non-audit services banned if incompatible with role of auditor 
    12.where auditor also conducts internal audit, no overlap of personnel and banned in some circumstances 
    13.auditor not to supply IT systems which include accounting function     
14.ban on auditors providing valuation, actuarial valuation, litigation support and legal services in most circumstances
     15.supply of tax advice and corporate finance services assessed on a case-by-case basis
16.restrictions on auditors conducting recruitment services, accounting services and due diligence.