H.R.3608: To amend the Internal Revenue Code of 1986 to allow the deduction for interest on acquisition indebtedness on principal residences to all individuals, whether or not they itemize their other deductions.

Amends the Internal Revenue Code to allow an individual taxpayer to deduct from gross income interest incurred to acquire, construct, improve, or refinance a principal residence, whether or not such taxpayer itemizes other income tax deductions.