The headline says Parliament backed the reform. How do I check whether it is law?

Keep "proposed" until you've identified the stage. [Parliament's guide to Acts](https://www.parliament.uk/about/how/laws/acts/) explains the usual approval and Royal Assent process and notes that commencement provisions determine when parts take effect. A headline about a vote doesn't settle both questions. Check the actual bill or Act and the relevant provisions before announcing a change in meeting arrangements.

Your cousin wants a useful bulletin, not a parliamentary textbook. You could give members the verified stage in one sentence and say what remains to be checked. Precision needn't mean copying the whole tracker into the email.

A promising vote can be politically significant while leaving later work unfinished. Don't make the correction sound like a discovery that nothing happened. Identify what the vote did if you can establish it, and avoid translating support at that stage into a guarantee about the final wording.