Visiting Students Students may register for NO MORE THAN 6 CREDIT HOURS by mail. Students regularly attending another institution must complete the Visitor Application Form (16k pdf) and mail it to the College with a one-time $20 admission fee. This form must be signed by the home-base college Registrar. To contact Three Rivers Admissions, dial 1-573-840-9605. This mail-in registration form must be completed and returned to the TRCC Registrar’s office with full payment. This form is valid for the 04/05 Winter Session only. To contact the TRCC Registrar dial 1-573-840-9665. Students should contact the College Bookstore before December 10 to make arrangements for textbooks. Some materials require purchase. To contact the Bookstore for more information, dial 1-573-840-9610.