*** IMPORTANT NOTE *** PENSIM:RUN.use_inctax must be set to true (T) in order to activate income-tax logic in PENSIM and GEMINI:RUN.use_inctax must be set to true (T) in order to activate income-tax logic in GEMINI.
Parent table is: INCTAX
There are no child tables.
Go to PENSIM input parameters overview
PENSIM: ITAMT . id
Identifies policy parameters that can vary across calendar years, so more than one row can have the same id value.
Valid values: 1 to 999999999, Integer
PENSIM: ITAMT . notes
Describes specification of table row in free-form note.
Valid values: any ASCII text, Memo (Note: do not copy and paste from a word processor because of the possibility of embedded non-ASCII characters.
PENSIM: ITAMT . cal_year
Calendar year for which policy parameter values apply.
Valid values: 2004 to LAST, Integer where LAST is cohort birth year plus 134 years
PENSIM: ITAMT . indexed
Specifies whether or not exempt_? and tinctop_? parameters (see below) for this calendar year are indexed. The indexing never occurs before INCTAX.f_index_yr.
Valid values: T (=1) or F (=0) (for true or false), Logical
PENSIM: ITAMT . exempt_s
Specifies the dollar amount of the exempt AMT taxable income level for single and head of household filing units for this calendar year. There is no AMT tax liability if AMT taxable income is below this level. Indexed for years beginning with INCTAX.f_index_yr only if ITAMT.indexed is true for this year.
Valid values: 0 to 999999999, Integer
PENSIM: ITAMT . exempt_m
Specifies the dollar amount of the exempt AMT taxable income level for married filing units for this calendar year. There is no AMT tax liability if AMT taxable income is below this level. Indexed for years beginning with INCTAX.f_index_yr only if ITAMT.indexed is true for this year.
Valid values: 0 to 999999999, Integer
PENSIM: ITAMT . ex_po_rate
Specifies the AMT exemption phase-out rate in decimal (not percentage) terms.
Valid values: 0.0 to 1.0, Real
PENSIM: ITAMT . ex_po_lo_s
Specifies the dollar amount of the beginning of the AMT exemption phase-out range of AMT taxable income for single filing units. The exempt_s amount is reduced at the rate of ex_po_rate for each dollar of AMT taxable income greater than ex_po_lo_s. This parameter is not indexed.
Valid values: 0 to 999999999, Integer
PENSIM: ITAMT . ex_po_lo_m
Specifies the dollar amount of the beginning of the AMT exemption phase-out range of AMT taxable income for married filing units. The exempt_m amount is reduced at the rate of ex_po_rate for each dollar of AMT taxable income greater than ex_po_lo_m. This parameter is not indexed.
Valid values: 0 to 999999999, Integer
PENSIM: ITAMT . taxrate_0
Specifies the marginal federal income tax rate in this tax bracket expressed as a decimal fraction.
Valid values: 0.0 to 1.0, Real
PENSIM: ITAMT . tinctop_0
Specifies the taxable income at the top of this tax bracket expressed in dollars. Indexed for years beginning with INCTAX.f_index_yr only if ITAMT.indexed is true for this year.
Valid values: any non-negative value, Real [set to 9.99e300 for last bracket]
PENSIM: ITAMT . taxrate_1
Specifies the marginal federal income tax rate in this tax bracket expressed as a decimal fraction.
Valid values: 0.0 to 1.0, Real
PENSIM: ITAMT . tinctop_1
Specifies the taxable income at the top of this tax bracket expressed in dollars. Indexed for years beginning with INCTAX.f_index_yr only if ITAMT.indexed is true for this year.
Valid values: any non-negative value, Real [set to 9.99e300 for last bracket]
PENSIM: ITAMT . mded_i_pct
Specifies the percent of AGI used with itemized medical deductions in the calculation of the alternative minimum taxable income on Form 6251.
Valid values: 0.0 to 100.0, Real