10. The Act of 2007 is amended by the insertion of the following section after section 53B (inserted by section 9):

“53C. (1) Irish Water shall not charge a customer for water services provided by Irish Water to the customer’s dwelling over a 12 month period unless the water services so provided exceed the threshold amount.

(2) For the purposes of subsection (1), a calculation by Irish Water of water services provided to a customer’s dwelling may be made in respect of any 12 month period.”.