(a) a creditor, by assignment or otherwise, to whom the company is indebted in a sum exceeding $5,000 then due, has served on the company, by leaving it at the registered office of the company, a demand under his or her hand or under the hand of his or her agent lawfully authorised requiring the company to pay the sum so due, and the company has for 3 weeks thereafter neglected to pay the sum, or to secure or compound for it to the reasonable satisfaction of the creditor;