Business taxes not renewed by October 1 are subject to a penalty of up to 25 percent of the total cost of the license. This is pursuant to § 205.0535. The fee schedule follows: After: October 15: a 10 percent penalty will be added. November 15: a 15 percent penalty will be added. December 15: a 20 percent will be added. January 15: a 25 percent will be added.