1 A pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. 2  This device uses low-energy electrical pulses to prompt the heart to beat at a normal rate. 3  Pacemakers are used to treat arrhythmias.
DEFINITION of 'Material Participation Test'. A set of criteria that determines whether a taxpayer is a material participant in a business venture.The material participation test will determine whether business income received by the taxpayer is active or passive.According to the IRS, if the taxpayer participates in a business activity on a regular, continuous and substantial basis, then the taxpayer materially participates in the business.Next Up.EFINITION of 'Material Participation Test'. A set of criteria that determines whether a taxpayer is a material participant in a business venture.
EAs are the only federally licensed tax practitioners who specialize in taxation and also have unlimited rights to represent taxpayers before the IRS. An Enrolled Agent (EA) is an individual who has demonstrated technical competence in the field of taxation. Enrolled Agents, or EAs, can represent taxpayers before all administrative levels of the Internal Revenue Service and state taxing authorities. 3.