1. Exempt from payment of income tax, so deducible from taxable income

Encyclopedia: Tax-deductible

• Ipomoea coccinea
• Ipomoea fastigiata
• Ipomoea imperialis
• Ipomoea leptophylla
• Ipomoea nil
• Ipomoea orizabensis
• Ipomoea panurata
• Ipomoea pes-caprae
• Ipomoea purpurea
• Ipomoea quamoclit
• Ipomoea tricolor
• IPR
• ipratropium bromide
• iproclozide
• ipse dixit
• ipsedixitism
• ipsilateral
• ipso facto
• Ipsus
• IPV
• IQ
• IQ test
• ir-
• ira
• Ira Gershwin