60Investigatory powers of DPP etc.
(1)This Chapter confers powers on—
(a)the Director of Public Prosecutions,
(b)the Director of Revenue and Customs Prosecutions, and
(c)the Lord Advocate,
in relation to the giving of disclosure notices in connection with the investigation of offences to which this Chapter applies.
(2)The Director of Public Prosecutions may, to such extent as he may determine, delegate the exercise of his powers under this Chapter to a Crown prosecutor.
(3)The Director of Revenue and Customs Prosecutions may, to such extent as he may determine, delegate the exercise of his powers under this Chapter to a Revenue and Customs Prosecutor.
(4)The Lord Advocate may, to such extent as he may determine, delegate the exercise of his powers under this Chapter to a procurator fiscal.
(5)In this Chapter “the Investigating Authority” means—
(a)the Director of Public Prosecutions,
(b)the Director of Revenue and Customs Prosecutions, or
(c)the Lord Advocate.
(6)But, in circumstances where the powers of any of those persons are exercisable by any other person by virtue of subsection (2), (3) or (4), references to “the Investigating Authority” accordingly include any such other person.