1. Taxable persons who buy and resell investment gold as defined in 2 of article 298 sexdecies A must keep, for six years in support of their accounts, documents enabling their customers to be identified for all transactions of €15,000 or more.
2. Where they are subject to the obligations of article 537, taxable persons may meet the obligation mentioned in 1 by producing the register provided for in this article.
3. Taxable persons shall keep separate accounts for transactions involving investment gold, distinguishing them according to whether they are exempt or have been the subject of the option.