For federal income tax purposes, the general rule is that rental real estate losses are passive activity losses (PALs). An individual taxpayer can generally deduct PALs only to the extent of passive income from other sources, if any. For example, if you have positive taxable income from other rental properties, that generally counts as passive income. You can use PALs to offset passive income from other sources, which amounts to being able to currently deduct them. Unfortunately, many rental property owners have little or no passive income in most years. Excess rental real estate PALs for the year (PALs that you cannot currently deduct because you don’t have enough passive income) are suspended and carried forward to future years. You can deduct suspended PALs when you...