True or False: It is advisable to sign a blank form when buying a vehicle, depending on the circumstance.

When purchasing a vehicle, it is critical to never sign a blank form. Doing so can expose you to significant risks, including fraud and legal complications. Signing a blank document gives the person you are dealing with the ability to fill in potentially unfavorable terms that you did not agree to. This practice undermines the integrity of the transaction and can lead to misunderstandings about ownership, price, or other legal stipulations.

Trustworthiness of the seller is irrelevant in this context; even trusted individuals should not be allowed to fill in terms after you have signed. Therefore, the correct stance is that it is inadvisable to sign a blank form under any circumstance.