Baroness Warsi insists she takes the allegations over her expenses very seriously.
Arriving in the Malaysian capital Kuala Lumpur, she told ITV News that she would fully co-operate with any investigation.
However the Conservative Party co-chairman refused to say whether she would resign over the row.
Baroness Warsi has asked the Lords Commissioner for Standards to investigate allegations she made improper expense claims.
Baroness Warsi has written to The Lords Commissioner for Standards asking him to investigate her expenses.
Baroness Warsi has written to the Lords Commissioner on Standards asking him to investigate her expenses.