Typically, the court may decide to interpret the ambiguity against the party who drafted the contract but this differs with every situation. They realize you are serious about the case and intend to spend time and energy pursuing it. Sometimes when you have a problem with a business, a demand letter can bring the problem to the attention of the owner who may not have known about your dispute because the manager never told him or her. This letter of demand for money can be used by an individual or business to demand payment of a debt or owed money. Our Demand Letter Template provides an easy interview process that calculates interest or added fees for late payment. Rocket Lawyer provides information and software only. Rocket Lawyer is not a "lawyer referral service" and does not provide legal advice or participate in any legal representation. The total amount owing is now $4,000.This amount relates to website maintenance and IT support services I provided by agreement with you for 20 hours each month in the months of May, June and July 20xx. I refer to my invoice dated 10 August 20xx that was due for payment by 10 September 20xx. Again, you must IMMEDIATELY STOP and send me written confirmation that you will stop such activities. You risk incurring some very severe legal consequences if you fail to comply with this demand.