What can a creditor do with their right to receive money due from a debtor?

A creditor has the ability to assign their right to receive money due from a debtor to another party, regardless of the formalities surrounding the debt's evidence. This is a fundamental principle of contract law and is particularly relevant in the context of commercial transactions where the assignment of rights is common.

The ability to assign rights allows creditors greater flexibility in managing their financial interests, enabling them to sell or otherwise transfer the right to receive payment. This means that a creditor can assign their interest to another creditor or a third party, allowing for the potential of immediate liquidity or restructuring of financial arrangements.

In the context of the other options, assigning a debt does not necessitate that it be expressed solely in writing, nor can it be constrained to a scenario where it must be clearly stated or can only be revoked in a specific manner. Such limitations would contradict typical practices in creditor-debtor relationships. Therefore, the ability to assign a debt irrespective of the evidence of that debt stands as the most accurate representation of a creditor's rights under the law.