You can do this on-line using the On-Line Services section of our website www.horsepassportagency.co.uk/ols.php
The fee can be found in our <A HREF="registration_fees.php" ONMOUSEOVER="status = 'View registration fees section.'; return true;" ONMOUSEOUT="status = '';" ONCLICK="this.blur(); " TARGET="_self">Registration Fees</A> section and you will not need to post the passport to us. We will update our records and send a receipt label to you by post with instructions on where to attach it to your passport.