- Partnerships and S-corporations can elect a fiscal tax year other than the calendar year if they can demonstrate their natural business cycle aligns with the alternative year. However, they must still make estimated tax payments to cover taxes on income earned during the deferral period between the fiscal year-end and December 31.
- Personal service corporations, whose shareholders provide personal services like dentists or architects, generally must use a calendar year but can use a fiscal year if certain conditions are met to prevent improper deferral of shareholder compensation.
- Depreciation allows taxpayers to allocate the cost of assets over their useful lives using methods like straight-line or MACRS, which provides accelerated depreciation schedules. Additional bonus