21. An optometrist who is absent from the place where the optometrist practises regularly, who practises there irregularly or discontinuously or who ceases to practise there must take the measures necessary to ensure that the patients are informed of the manner in which they may reach the optometrist and, where necessary, are directed to another optometrist, another health professional or an institution that can provide them with the services required by their condition.
515-2018O.C. 515-2018, s. 21.