Effective date change request form. Please provide all of the information requested below.How to ask that your hearing be rescheduled to a later date. Good for use in all civil cases. When a client reports a change in income that we do not expect to last at least a month beyond the month they reported the change, do not change their benefits. We also provide a sample letter below if you need to request a change to your rent due date. Who can make a request to change the date their rent is due? Write a notice to vacate letter. Washington State law, any rule change for month-to-month tenants, including a rent increase, requires thirty days written notice. Be courteous and informative in your communication.