Communications Service Infrastructure Tax Abatement. Provides a five-year deduction from the assessed value of communications service property, including: (1) real property; (2) personal property; and (3) the distributable property of a public utility company. Provides that the deduction is available if the installation, development, or redevelopment of the property is: (1) initiated after December 31, 2005, and before January 1, 2009; and (2) completed within two years. Provides that the amount of the deduction for a year equals the assessed value of the property, multiplied by a specified percentage. Provides that a taxpayer that seeks the deduction for property (other than the distributable property of a public utility company) must apply to the utility regulatory commission (IURC) for certification that: (1) the property is communications service property; and (2) the taxpayer has installed, developed, or redeveloped the property within the prescribed time frames. Prescribes application and filing procedures for deductions for real, personal, and distributable property.