Sale of Goods Ordinance

(1)
Capacity to buy and sell is regulated by the general law concerning capacity to contract, and to transfer and acquire
property:
Provided that where necessaries are sold and delivered to an infant or minor, or to a person who, by reason of mental incapacity or drunkenness, is incompetent to contract, he must pay a reasonable price therefor.
(2)
In this section,
necessaries
(
必需品
) means goods suitable to the condition
                in life of such infant or minor or other person, and to his actual requirements at
                the time of the sale and delivery.