suite/l10n_us_mn_hr_payroll/data/rules.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <!-- HR SALARY RULES-->
    <record id="hr_payroll_rules_mn_unemp_wages" model="hr.salary.rule">
        <field name="sequence" eval="423"/>
        <field name="category_id" ref="hr_payroll_mn_unemp_wages"/>
        <field name="name">Wage: US-MN Unemployment</field>
        <field name="code">WAGE_US_MN_UNEMP</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = (contract.futa_type != contract.FUTA_TYPE_BASIC)</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
rate = payslip.dict.get_rate('US_MN_UNEMP')
year = payslip.dict.date_to.year
ytd = payslip.sum('WAGE_US_MN_UNEMP', str(year) + '-01-01', str(year+1) + '-01-01')
ytd += contract.external_wages
remaining = rate.wage_limit_year - ytd
if remaining &lt;= 0.0:
    result = 0
elif remaining &lt; categories.BASIC:
    result = remaining
else:
    result = categories.BASIC
        </field>
        <field name="appears_on_payslip" eval="False"/>
    </record>

    <record id="hr_payroll_rules_mn_unemp" model="hr.salary.rule">
        <field name="sequence" eval="443"/>
        <field name="category_id" ref="hr_payroll_mn_unemp"/>
        <field name="name">ER: US-MN Unemployment</field>
        <field name="code">ER_US_MN_UNEMP</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = (contract.futa_type != contract.FUTA_TYPE_BASIC)</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
rate = payslip.dict.get_rate('US_MN_UNEMP')
result_rate = -rate.rate
result = categories.WAGE_US_MN_UNEMP

# result_rate of 0 implies 100% due to bug
if result_rate == 0.0:
    result = 0.0
        </field>
        <field name="register_id" ref="contrib_register_mn_ui_unemp"/>
        <field name="appears_on_payslip" eval="False"/>
    </record>

    <record id="hr_payroll_rules_mn_inc_withhold" model="hr.salary.rule">
        <field name="sequence" eval="155"/>
        <field name="category_id" ref="hr_payroll_mn_income_withhold"/>
        <field name="name">EE: US-MN Income Tax Withholding</field>
        <field name="code">EE_US_MN_INC_WITHHOLD</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = contract.mn_w4mn_filing_status != 'exempt'</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
# Step 1 - Determine Employee's Total Wages for one payroll period.
wages = categories.GROSS
allowances = contract.mn_w4mn_allowances
schedule_pay = contract.schedule_pay

# Step 2 - Multiply the wages from step by number of payroll periods per year. This gives annual wage.
pay_period = 0.0
pay_periods = {
            'weekly': 52.0,
            'bi-weekly': 26.0,
            'semi-monthly': 24.0,
            'monthly': 12.0
            }
if schedule_pay in pay_periods:
    pay_period = pay_periods[schedule_pay]
else:
    raise Exception('Invalid schedule_pay="' + schedule_pay + '" for AR Income Withholding calculation')

annual_wages = wages * pay_period

# Step 3 - Multiple the number of employee's withholding allowances by $4,250
allowance_amount = 4250.00 * allowances

# Step 4 - Subtract the result in step 3 from the result in step 2.
taxable_wages = annual_wages - allowance_amount

# Step 5 - Use the result in step 4 (taxable wages) and the tax chart to calculate step 5 amount.
mn_w4_filing_status = contract.mn_w4mn_filing_status
tax_table = []
if mn_w4_filing_status == 'single':
    tax_table = [
            (28920, 2400, 5.35, 0.00),
            (89510, 28920, 7.05, 1418.82),
            (166290, 89510, 7.85, 5690.42),
            (float('inf'), 166290, 9.85, 11717.65)
            ]
elif mn_w4_filing_status == 'married':
    tax_table = [
            (47820, 9050, 5.35, 0.00),
            (163070, 47820, 7.05, 2074.20),
            (282200, 163070, 7.85, 10199.33),
            (float('inf'), 282200, 9.85, 19551.04)
            ]
else:
    raise Exception('Invalid w4_filing_status="' + mn_w4_filing_status + '" for MN Income Withholding calculation')

last = 0.0
result = 0.0
for row in tax_table:
    cap, subtract_amt, rate, flat_fee = row
    if cap > taxable_wages:
        taxed_amount = taxable_wages - subtract_amt
        result = ((rate / 100.00) * taxed_amount) + flat_fee
        break

# Make the result per pay period once more.
result = result / pay_period

# Round Result - Make sign negative as well - Add additional withholding here as well
result = -round(result) - contract.mn_w4mn_additional_wh
        </field>
        <field name="register_id" ref="contrib_register_mn_dor_withhold"/>
    </record>

</odoo>