Obtain a PDF copy of the form required by HCEC to maintain or acquire your tax exemption status. Please note this form has fields that you can fill in and then. Obtain a PDF copy of the form required by HCEC to maintain or acquire your tax exemption status. Please note this form has fields that you can fill in and then. Obtain a PDF copy of the form required by HCEC to maintain or acquire your tax exemption status. Please note this form has fields that you can fill in and then.