Form W-9 must contain your valid tax identification number; in some states, a resale certificate may require the state tax registration number.

Update (July 3): The Oklahoma Tax Commission is offering free copies of registration certificates via email. Go to okcars.tax.ok.gov. The PDFs provided digitally may be printed and kept with the ...

registration for students in state-funded schools, but parents or guardians must now provide a Tax Clearance Certificate (TCC) to be eligible. The announcement was made by LIRS Executive ...