Paragraph 2 Requirements for use for trade
No person may use for trade a water meter for the supply of potable water to domestic premises in the temperature range from 0.1°C to and including 30°C (“a cold water meter”) unless—
(a)
it is compliant with the essential requirements applicable to cold water meters (other than the provisions relating to maximum permissible errors);
(b)
it operates within the maximum permissible errors set out in paragraph 3; and
(c)
the requirements of paragraph 4 are complied with.