(a) A chilling and freezer facility used for the storage, display or transport of perishable food must be provided with a thermometer which at all times must reflect the degree of chilling of the refrigeration area of such facility and which must be in such a condition and positioned so that an accurate reading may be taken unhampered.
(b) A heating apparatus or facility used for the storage, display or transport of heated perishable food must be provided with a thermometer which at all times must reflect the degree of heating of the heating area concerned and which must be in such a condition and positioned so that an accurate reading may be taken unhampered.
(c) Despite the above, temperature monitoring may be done according to the best available method.