chapter 2 tax

Taxpayers must file a return if gross income exceeds the income threshold.
Income thresholds vary based on:
- Filing Status: Individual, married, etc.
- Inflation: Adjustments made annually.
- Self-Employed and Dependents: Typically lower thresholds for these categories.

Deadline for Filing: April 15.
If Tax Overpaid: Options include:
- Refund.
- Application of excess to the next period.
If Tax Underpaid: Taxpayers will receive:
- A reminder for payment.
- Potential penalties.
Extension for Filing: Taxpayers can request a 6-month extension; however, this does not delay payment obligations.
Penalties for Non-Filing:
- Failure to file may incur a penalty of 5% of unpaid tax per month, with a maximum penalty of 25%.
- If no taxes are owed, there is no penalty.

Amending Returns or IRS Assessments: 3 years from the date the return was filed or the due date (whichever is longer).
For Gross Income Exceedance: If income is understated by 25% or more, the statute extends to 6 years.
Fraudulent Activity: The statute does not apply if the taxpayer commits fraud or fails to file a return.

Taxpayers must claim a position on their tax return with:
- Substantial Authority: Strong justification for the position taken.
- Reasonable Basis for Position: Must be disclosed on tax returns.

Legislative:
- The US Constitution.
- The Internal Revenue Code of 1986 (including tax treaties).
Judicial:
- Courts interpret the code and resolve disputes:
  - Supreme Court: Highest tax authority, does not create laws but can rule laws as unconstitutional.
  - Other courts include:
    - US Circuit Court of Appeals (13).
    - US Tax Court.
    - US Court of Federal Claims.
    - US District Court.
Administrative:
- Treasury Regulations: Interpretations of tax law.
- Revenue Rulings: Specific applications of tax code in various scenarios.
- Revenue Procedures: IRS practices and procedures.
- Letter Rulings: IRS determinations on particular transactions.