Thank you for your prompt reply to my query. What I have heard so far from my employer has been vague. You have informed and pointed me to exactly what I need to know.
Excellent service from you...thanks.
Thank you for your support.
By the way it is Box 17 on the SA102 where you enter the mileage expenses. You have to complete a SA102 for every employment you have in each tax year, this form is part of the annual self assessment return.