As times change so has the role and nature of the person taking consent. No longer is it a case of simply signing a form. The information giving to the patient relies upon a person who is knowledgeable about the procedure and can answer questions. There is no legal demarcation zone between doctors and others concerning who can take consent and it is also proportionate to whether the consent taker is taking consent for procedures that they will perform themselves, or, are taking consent on behalf of another - delegated consent taking. There are indeed official statements about delegating consent.