35. The functions of the managers of a hospital in respect of the following—
(a)notifying local social services authorities under section 14 (social reports) of patients detained on the basis of applications by their nearest relatives;
(b)authorising persons under section 17(3) (leave of absence from hospital) to keep in custody patients who are on leave of absence who are subject to a condition that they remain in custody;
(c)authorising person under sections 18(1) and (2A) (return and readmission of patients absent without leave) to take and return detained and community patients respectively who are absent without leave, may be performed by any person authorised by them in that behalf.