Applications forms are available online or Rhumbline will fax or mail you our credit application. The application also contains a personal financial statement Please complete and sign the application and personal financial statement and return them with two years of income verification in the form of your last two years 1040 tax returns. ( and supporting schedules ) Rhumbline can obtain a credit decision in as little as one day. Rhumbline's fax number is 1-610-356-1794.