Create the REGFMT., DIVFMT., and USETYPE. formats. PROC FORMAT creates formats for Region, Division, and Type.

proc format;
   value regfmt 1='Northeast'
                2='South'
                3='Midwest'
                4='West';
   value divfmt 1='New England'
                2='Middle Atlantic'
                3='Mountain'
                4='Pacific';
   value usetype 1='Residential Customers'
                 2='Business Customers';
run;