Describe the nuances of state and local tax (SALT) deductions, including the federal limitation on the deduction amount and its impact on different income earners.

The state and local tax (SALT) deduction allows taxpayers to deduct certain taxes they've paid to state and local governments on their federal income tax returns. These taxes primarily include state and local income taxes, property taxes, and sales taxes. Before the Tax Cuts and Jobs Act (TCJA) of 2017, taxpayers could deduct the full amount of these taxes without any limitation, provided they itemized their deductions instead of taking the standard deduction. However, the TCJA introduced a significant change by placing a federal limitation on the amount of SALT that can be deducted. This has had a substantial impact, particularly on taxpayers in states with high state and local tax burdens. The most crucial nuance of the SALT deduction is the federal limitation set by the TCJA. This law imposed a limit of $10,000 per household per year for the total combined deduction of state and local taxes. This limit applies whether you are single, married filing jointly, head of household, or another filing status, and includes the combined total of state and local property taxes, income taxes, or sales taxes. This limit is not adjusted for inflation so it remains the same year after year. To understand the implications, let’s consider an example: If a married couple residing in New Jersey has paid $12,000 in state income taxes, and $8,000 in property taxes in a given year, the total SALT they paid would be $20,000. However, due to the federal limitation, they can only deduct $10,000....