Section 15.05. Examining physician or psychologist and medical certificate

(a)  A person is disqualified from acting as an examining physician or
  psychologist in the following cases:
    1.  if he is a relative of the person applying for the admission or of
  the person alleged to be mentally retarded.
    2.  if  he  is  a  manager,  trustee,  visitor,  proprietor,  officer,
  director,  or stockholder of the school in which the resident resides or
  to which it is proposed  to  admit  such  person,  except  as  otherwise
  provided  in this chapter, or if he has any pecuniary interest, directly
  or  indirectly,  in  such  school,  provided  that  receipt   of   fees,
  privileges,  or  compensation for treating or examining patients in such
  school shall not be deemed to be such a pecuniary interest.
    3. if he is on the staff of a proprietary  facility  to  which  it  is
  proposed to admit such person.
    (b)  A  certificate,  as  required by this article, must show that the
  person is mentally retarded and shall be based on an examination of  the
  person  alleged  to be mentally retarded made within six months prior to
  the date of admission. The date of the certificate shall be the date  of
  such   examination.   All  certificates  shall  contain  the  facts  and
  circumstances upon which the judgment of  the  examiners  is  based  and
  shall  show  that  the  condition of the person examined is such that he
  needs care or treatment in a school and such other  information  as  the
  commissioner may by regulation require.