Paragraph 2
The health mark shall consist of a thistle shaped mark and shall be of the following dimensions—
(a)
overall length 55mm;
(b)
diameter of the base circle 30mm;
(c)
within the upper part of the base circle the appropriate letters 8mm high identifying the local authority;
(d)
if required, within the lower part of the base circle the number 10mm high identifying the inspector or slaughterhouse.