You can use the Renumber Tcode program to change tcode numbers.
To renumber a tcode
Do you want to start charging sales tax, but don’t know where to start? Sales tax must first be enabled in Tabs3 Billing Customization. You can then optionally set up specific transaction codes and/or clients to automatically include sales tax when billed. You can also specify sales tax on an individual transaction. So how do you set all of this up? Knowledge Base Article R10952, “Using Sales Tax in Tabs3,” provides steps on setting up Tabs3 Billing to charge sales tax and answers frequently asked questions about the Tabs3 sales tax feature.
Our Knowledge Base can be accessed 24 hours a day, 7 days a week, at support.Tabs3. com. You can also access our Knowledge Base while in the software by selecting Help | Internet Resources | Knowledge Base.