6.—(1) The restrictions imposed by sections 52 and 53 shall not apply to the sale, offer or exposure for sale or supply of a medicinal product which is neither for parenteral administration nor a controlled drug and which consists solely of one or more unit preparations of—
(a)any substance where the unit preparation has been diluted to at least one part in a million (6x), or
(b)any substance listed in Part I of Schedule 2 where the unit preparation has been diluted to at least one part in a thousand (3x), or
(c)any substance listed in column 1 of Table A of Schedule 3 to the Medicines (General Sale List) Order 1980 or in Part III of Schedule 2 to this order or, if the medicinal product in question is for external use only, any substance listed in column 1 of Table B of Schedule 3 to the Medicines (General Sale List) Order 1980 or in Part IV of Schedule 2 to this order, in each case where the unit preparation has been diluted to at least one part in ten (1x),
if and so long as the person selling or supplying the medicinal product has been requested by or on behalf of a particular person and in that person's presence to use his own judgment as to the treatment required.
(2) The restrictions imposed by section 52 shall not apply to the sale, offer or exposure for sale or supply of a medicinal product which is neither for parenteral administration nor a controlled drug and which consists solely of one or more unit preparations of—
(a)any substance where the unit preparation has been diluted to at least one part in a million (6c), or
(b)any substance listed in Part II of Schedule 2 where the unit preparation has been diluted to at least one part in a million (6x), or
(c)any substance listed in column 1 of Table A of Schedule 3 to the Medicines (General Sale List) Order 1980 or in Part III of Schedule 2 to this order or, if the medicinal product in question is for external use only, any substance listed in column 1 of Table B of Schedule 3 to the Medicines (General Sale List) Order 1980 or in Part IV of Schedule 2 to this order, in each case where the unit preparation has been diluted to at least one part in ten (1x),
if and so long as the conditions specified in section 53 are fulfilled.