Decrease your walking intervals until you can run (moderate pace, maybe a 10 minute pace) continuously for 20 minutes or 2 miles. If you have the inclination, you can build from there. You may even want to stick with an interval (walk/run) routine; you will be less prone to injury that way too. Vary your pace.
Updated for Tax Year 2016. OVERVIEW. Tax exemptions come in many forms, but one thing they all have in common is they either reduce or entirely eliminate your obligation to pay tax. Most taxpayers are entitled to an exemption on their tax return that reduces your tax bill in the same way a deduction does.
Form W-8BEN, Certificate of Foreign Status of Beneficial Owner for United States Tax Withholding. Give this form to the withholding agent or payer if you are a foreign person and you are the beneficial owner of an amount subject to withholding. Submit Form W-8BEN when requested by the withholding agent or payer whether or not you are claiming a reduced rate of, or exemption from, withholding. Form W-8BEN.