stale
In a financial context this describes information like a dollar limit or rule that was accurate at one point but has since been updated and no longer reflects the current numbers. Tax limits often change each year so it is important to check a current source rather than relying on old information.
A definition says what a thing is; it never says whether it fits you. The guides explain how it works and name the professional who confirms it for a particular person. The No Advice Disclosure.
Ask about stale
A model reads this page and answers from it. It will say when the answer is not on the page. Education, not personalized advice.