Capacity - Sales of goods

Through S.4 (1) provides such capacity to buy and to sell is governed through the natural law concerning capacity for contract. Although where necessaries are sold and are delivered to an infant else a person who like through reason of mental incapacity else drunkenness is incompetent to contract such he must pay a reasonable price to them. Whether "Necessaries" are defined like goods such are suitable to the condition in the life of the infant or other incompetent person so and like to his actual requirements before on the same time of sale and of delivery.