In this Part—
"discharge pipe" means a pipe from which discharges are or are to be made under section 163 above;
"relevant transferred functions" means any functions which—but this is subject to subsection (1A). were exercisable by the Agency before 1 April 2013, andare functions of the NRBW by virtue of the Natural Resources Body for Wales (Functions) Order 2013,
"resource main" means any pipe, not being a trunk main within the meaning of the Water Industry Act 1991, which is or is to be used for the purpose of—
For the purposes of the definition of "relevant transferred functions"—
In subsection (1) above—
"source of supply" shall be construed without reference to the definition of that expression in section 221 below; and
"supply of water in bulk" has the same meaning as in section 3 above.
The powers conferred by Chapter I of this Part shall be without prejudice to the powers conferred on the Agency or on the NRBW by any other enactment or by any agreement.