Section 171.653 - Ineligibility for Credit for Certain Periods(a) A taxable entity is not eligible for a credit on a report against the tax imposed under this chapter for qualified research expenses incurred during the period on which the report is based if the taxable entity, or a member of the combined group if the taxable entity is a combined group, received an exemption under Section 151.3182 during that period.(b) A taxable entity's ineligibility under this section for a credit on a report for the period on which the report is based does not affect the taxable entity's eligibility to claim a carryforward of unused credit under Section 171.659 on that report.Added by Acts 2013, 83rd Leg., R.S., Ch. 1266 (H.B. 800), Sec. 3, eff. January 1, 2014.