21. (1) For the purposes of this Act, the Cork local authorities shall cooperate with one another in the performance of their functions.

(2) The Cork local authorities shall exchange such information and conduct such consultations with one another as may be necessary for the purposes specified in subsection (1).

(3) Each chief executive shall do and cause to be done all such acts as are necessary for, or incidental to, the effective and orderly operation of, and compliance with, this Act including—

(a) cooperating with one another to ensure compliance by the Cork local authorities with the implementation plan,

(b) the making of arrangements specified in the implementation plan,

(c) measures to ensure the effective and efficient performance of functions of the Cork local authorities in relation to the relevant area, and

(d) the coordination of the performance of the functions of the Cork local authorities for the purposes of ensuring the effective and orderly operation of, and compliance with, this Act.

(4) The members of staff of each of the Cork local authorities shall perform their functions in a manner that will enable the Cork local authorities to comply with this section.

(5) On or before the 7th day of each month during the period from the commencement of this section until 31 December 2020, each chief executive shall—

(a) prepare and submit to the oversight committee a report in relation to the measures adopted to ensure full and effective compliance with this Act, and

(b) provide a copy of that report to each member of the local authority of which he or she is the chief executive.

(6) The oversight committee may, following consideration of the report submitted to them under subsection (5), issue a notice to the chief executives of the Cork local authorities specifying the measures that they consider need to be adopted in order to ensure full and effective compliance with this Act.

(7) The chief executives of the Cork local authorities shall, in the performance of their functions, have regard to a notice under subsection (6).

(8) The oversight committee may, from time to time, prepare and submit to the Minister a report specifying the measures that they consider need to be adopted in order to ensure full and effective compliance with this Act.

(9) (a) The chief executive of the city council shall, within such period as is specified in a request under this paragraph, provide the Minister with such information as the Minister may, from time to time request, for the purposes of the performance by the Minister of his or her functions under this Act.

(b) The chief executive of the county council shall, within such period as is specified in a request under this paragraph, provide the Minister with such information as the Minister may, from time to time request, for the purposes of the performance by the Minister of his or her functions under this Act.

(10) (a) The chief executive of the city council shall, within such period as is specified in a request under this paragraph, provide the oversight committee with such information as the oversight committee may, from time to time request, for the purposes of the performance by the oversight committee of their functions under this Act.

(b) The chief executive of the county council shall, within such period as is specified in a request under this paragraph, provide the oversight committee with such information as the oversight committee may, from time to time request, for the purposes of the performance by the oversight committee of their functions under this Act.