Medico-legal: The new drug-driving law The MDU's Dr Nicola Lennard offers tips to understand the law and advice patients may need. Patients might ask you for written confirmation of prescribing advice, in case stopped by the police (iStock) Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Subscribe now Benefits include: Full site access Subscriber exclusive content Exclusive bulletins Choose a package