According to IRS Notice 2020-17, income tax payments and estimated tax payments due on April 15, 2020 are extended to July 15, 2020 (under $1 Million for individuals and joint returns). It does not extend June 15 estimated payments however. Further, it does not extend filing deadlines for tax returns. Lastly, it does not say that if you e-file a return and mark the box to pay the tax by debit on the due date whether that debit will occur on April 15 as originally planned or on July 15, the new payment due date.