7. A supplier of appliances may refuse to provide an appliance ordered on a prescription form where—
(a)the supplier of appliances reasonably believes that it is not a genuine order for the person named on the prescription form (for example because he reasonably believes it has been stolen or forged);
(b)it appears to the supplier of appliances that there is an error on the prescription form (including a clinical error made by the prescriber);
(c)the supplier of appliances or other persons on the premises are subjected to or threatened with violence by the person presenting the prescription form or requesting the provision of appliances in accordance with an electronic prescription form or by any person accompanying that person; or
(d)the person presenting the prescription form or requesting the provision of appliances in accordance with an electronic prescription form or any other person accompanying that person, commits or threatens to commit a criminal offence.