(1) This section applies where a limited liability partnership carries on business without having at least two members, and does so for more than 6 months.

(2) A person who, for the whole or any part of the period that it so carries on business after those 6 months -

(a) is a member of the limited liability partnership, and

(b) knows that it is carrying on business with only one member,

is liable (jointly and severally with the limited liability partnership) for the payment of the limited liability partnership's debts contracted during the period or, as the case may be, that part of it.