How do I register for a NC Withholding Tax Identification Number? Ready to file your taxes?This guidebook focuses on nonprofit corporations, which are the most common organizational form for. North Carolina corporation formation requirements from BizFilings. Our North Carolina guide provides NC incorporation requirements for your business. Log in to your ORBIT account each year to review and make any beneficiary and tax withholding changes you deem necessary. You can fill out a Change in Status Report (Form NCUI 101-A ) online or, if you prefer, you can download Form NCUI 101-A to print, fill out, and mail to DES.