Is Keystone’s e-file Business Portal the best way for my business to comply with local tax withholding rules?

Yes. Keystone’s portal de negocios is the fast, secure and accurate way for employers to report and file payroll tax online. You can report your withholding online and schedule an electronic payment or send a check to arrive on or before the statutory due date. If paying by check, print the payment voucher to mail with payment.