UAE Commercial Transactions Law — Article 524 — Article (524)
Book Four: Commercial Papers · Part One: Bill of Exchange · Chapter One: Drawing Up a Bill of Exchange: Article (515)
Obligations of a person with diminished capacity, who is not authorized to engage in commerce, and an incapacitated person, arising from affixing their signatures to a bill of exchange, in any capacity whatsoever, shall be null and void with regard to themselves only; however, they may invoke such nullity against each bearer of such bill.
Interpretation and application must be checked against the official text and current version.