Line 8 – Home Mortgage Interest
Federal law limited the mortgage interest deduction acquisition debt maximum from $1,000,000 ($500,000 for married filing separately) to $750,000 ($375,000 for married filing separately). California law does not conform. If your deduction was limited under federal law, enter an adjustment on line 8, column C for the amount over the federal limit.
Federal law suspended the deduction on up to $100,000 ($50,000 for married filing separately) for interest on home equity indebtedness, unless the loan is used to buy, build, or substantially improve the taxpayer’s home that secures the loan. California law does not conform. If your deduction was limited under the federal law, enter an adjustment on line 8, column C for the amount over the federal limit.
Mortgage interest credit – If you reduced your federal mortgage interest deduction by the amount of your mortgage interest credit (from federal Form 8396, Mortgage Interest Credit), increase your California itemized deductions by the same amount. Enter the amount of your federal mortgage interest credit on line 8, column C.