Type Deadline W-2 and 1099* January 31st, 2019 Sales & Use Tax (Yearly) January 31st, 2019 Los Angeles Business Tax Renewal February 28th, 2019 Partnerships March 15th, 2019 S Corporation March 15th, 2019 C Corporation April 15th, 2019 Individual April 15th, 2019 Extension to File** April 15th, 2019 * Electronic & Paper Filing to the [...]