Workers’ Compensation Data Fields 10 Each section of the “Estimate Worksheet Calculations” sheet can be expanded by using caret arrow, so reserves can be set in each category. Complete the “Class Code” data field to reflect the injured worker’s job description. This is in the “Financial” section. Click the arrow next to the “Class Code” field for a list of potential codes and job descriptions. Choose the correct class code based on the injured worker’s job description. Confidential, Proprietary and Trade Secret Document of NARS and protected by the Florida Uniform Trade Secrets Act, chapter 688, Florida Statutes. No use allowed unless specifically authorized.