Scientific Profiles. Jonathan Lifshitz, Ph.D. The National Neurotrauma Society is a community of scientists and health care providers who care not only for patient quality of life, but the scientific rigor supporting clinical practice and the career development of those interested in the field.
Once you meet the mandatory e-pay threshold, you are required to make all subsequent payments electronically, regardless of the amount, type, or taxable year. For example: You make your first quarter estimated tax payment of $25,000 on 4.15.13 by paper check.dvantages of electronic payment methods. Even if you are not required to make electronic payments, you can still take advantage of paying your personal income tax (estimated tax, bill, return, or extension) payments online. 1  e-file and schedule your tax payment for April 15.
3. The IRS, and most states that collect estimated taxes, require that you pay on a quarterly basis. The IRSâs notion of quarterly, however, does not line up perfectly with the fiscal quarters used by most of the private sector.The schedule below shows the due dates for your four 2012 quarterly tax payments.ow much estimated tax do I have to pay? The amount you have to pay in estimated taxes over the course of the year must be at least 100% of what you owed the IRS last year, or 90% of what you will owe the IRS this year.