In many ways, Form W-2 is simple and straightforward: You enter information that is already available from payroll and personnel records. You then use your employer identification number and, in most cases, a state ID number to complete most of the form. The main challenge comes...

The IRS will be addressing the deductibility of state and local tax payments for federal income tax purposes. It's a reminder that federal law controls payments for federal income tax purposes no matter how state law wants to view things. The Tax Cuts and Jobs Act...