First you need to check your profile by logging in to your account at Once your logged in you select MyTroostwijk. Here you can click ‘Change your profile’. Please click the arrow on the right hand side and you will see several elements of your profile that can be changed. After you have adjusted all relevant fields you can send an e-mail to the Troostwijk country where the auction is organized to request a new invoice. Please always include your Buyer number and Auction number in this e-mail. Issuing an adjusted invoice is not always possible due legal restrictions.

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