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Add option to repeal personal exemptions for deps under age 18 #1428

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Jun 13, 2017
Merged

Add option to repeal personal exemptions for deps under age 18 #1428

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16 changes: 16 additions & 0 deletions taxcalc/current_law_policy.json
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Original file line number Diff line number Diff line change
Expand Up @@ -505,6 +505,22 @@
"value": [0.02]
},

"_II_no_em_nu18": {
"long_name": "Repeal personal exemptions for dependents under age 18",
"description": "Total personal exemptions will be decreased by the number of dependents under the age of 18",
"section_1": "Personal Exemptions",
"section_2": "Repeal Personal Exemptions for Dependents Under Age 18",
"irs_ref": "",
"notes": "",
"row_var": "FLPDYR",
"row_label": ["2013"],
"start_year": 2013,
"cpi_inflated": false,
"col_var": "",
"col_label": "",
"value": [false]
},

"_STD": {
"long_name": "Standard deduction amount",
"description": "Amount filing unit can use as a standard deduction.",
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8 changes: 6 additions & 2 deletions taxcalc/functions.py
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Expand Up @@ -311,7 +311,8 @@ def UBI(nu18, n1821, n21, UBI1, UBI2, UBI3, UBI_ecrt,
def AGI(ymod1, c02500, c02900, XTOT, MARS, sep, DSI, exact,
II_em, II_em_ps, II_prt,
II_credit, II_credit_ps, II_credit_prt, taxable_ubi,
c00100, pre_c04600, c04600, personal_credit):
c00100, pre_c04600, c04600, personal_credit,
II_no_em_nu18, nu18):
"""
AGI function: compute Adjusted Gross Income, c00100,
compute personal exemption amount, c04600, and
Expand All @@ -320,7 +321,10 @@ def AGI(ymod1, c02500, c02900, XTOT, MARS, sep, DSI, exact,
# calculate AGI assuming no foreign earned income exclusion
c00100 = ymod1 + c02500 - c02900 + taxable_ubi
# calculate personal exemption amount
pre_c04600 = XTOT * II_em
if II_no_em_nu18: # repeal of personal exemptions for deps. under 18
pre_c04600 = max(0, XTOT - nu18) * II_em
else:
pre_c04600 = XTOT * II_em
if DSI:
pre_c04600 = 0.
# phase-out personal exemption amount
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3 changes: 2 additions & 1 deletion taxcalc/tests/test_policy.py
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Expand Up @@ -646,7 +646,8 @@ def test_clp_section_titles(tests_path):
'Personal Exemptions': {
'Personal And Dependent Exemption Amount': 0,
# 'Personal Exemption Phaseout Starting Income': 0,
'Personal Exemption Phaseout Rate': 0
'Personal Exemption Phaseout Rate': 0,
'Repeal Personal Exemptions for Dependents Under Age 18': 0,
},
'Standard Deduction': {
'Standard Deduction Amount': 0,
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