Other Situations When You Must File
If you have a tax liability for 2024 or owe any of the following taxes for 2024, you must file Form 540.
Tax on a lump-sum distribution.
Tax on a qualified retirement plan including an Individual Retirement Arrangement (IRA) or an Archer Medical Savings Account (MSA).
Tax for children under age 19 or full-time students under age 24 who have investment income greater than $2,600 (see paragraph above).
Alternative minimum tax.
Recapture taxes.
Deferred tax on certain installment obligations.
Tax on an accumulation distribution from a trust.