suite/l10n_us_mo_hr_payroll/data/rules_2018.xml

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

<!-- HR SALARY RULES-->
    <record id="hr_payroll_rules_mo_unemp_wages_2018" model="hr.salary.rule">
        <field name="sequence" eval="423"/>
        <field name="category_id" ref="hr_payroll_mo_unemp_wages"/>
        <field name="name">Missouri Unemployment - Wages (2018)</field>
        <field name="code">MO_UNEMP_WAGES_2018</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = (payslip.date_to[:4] == '2018')</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
###
ytd = payslip.sum('MO_UNEMP_WAGES_2018', '2018-01-01', '2019-01-01')
ytd += contract.external_wages
remaining = 12500.0 - ytd
if remaining &lt;= 0.0:
    result = 0
elif remaining &lt; categories.GROSS:
    result = remaining
else:
    result = categories.GROSS
        </field>
        <field name="appears_on_payslip" eval="False"/>
    </record>
    <record id="hr_payroll_rules_mo_unemp_2018" model="hr.salary.rule">
        <field name="sequence" eval="443"/>
        <field name="category_id" ref="hr_payroll_mo_unemp"/>
        <field name="name">Missouri Unemployment (2018)</field>
        <field name="code">MO_UNEMP_2018</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = (payslip.date_to[:4] == '2018')</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
result_rate = -contract.mo_unemp_rate(2018)
result = categories.MO_UNEMP_WAGES

# 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_modor_unemp"/>
        <field name="appears_on_payslip" eval="False"/>
    </record>

    <record id="hr_payroll_rules_mo_inc_withhold_2018" model="hr.salary.rule">
        <field name="sequence" eval="145"/>
        <field name="category_id" ref="hr_payroll_mo_income_withhold"/>
        <field name="name">Missouri Income Withholding (2018)</field>
        <field name="code">MO_INC_WITHHOLD_2018</field>
        <field name="condition_select">python</field>
        <field name="condition_python">result = (payslip.date_to[:4] == '2018')</field>
        <field name="amount_select">code</field>
        <field name="amount_python_compute">
TAX = [
    (1028.0, 1.5),
    (1028.0, 2.0),
    (1028.0, 2.5),
    (1028.0, 3.0),
    (1028.0, 3.5),
    (1028.0, 4.0),
    (1028.0, 4.5),
    (1028.0, 5.0),
    (1028.0, 5.5),
    (999999999.0, 5.9),
]
wages = categories.GROSS
exemptions = contract.mo_mow4_exemptions
filing_status = contract.mo_mow4_filing_status
additional = contract.mo_mow4_additional_withholding
spouse_employed = contract.mo_mow4_spouse_employed
schedule_pay = contract.schedule_pay
result = 0.00

if filing_status:
    PP = 0
    if 'weekly' == schedule_pay:
        PP = 52
    elif 'bi-weekly' == schedule_pay:
        PP = 26
    elif 'semi-monthly' == schedule_pay:
        PP = 24
    elif 'monthly' == schedule_pay:
        PP = 12
    elif 'quarterly' == schedule_pay:
        PP = 4
    elif 'semi-annually' == schedule_pay:
        PP = 2
    elif 'annually' == schedule_pay:
        PP = 1
    else:
        raise Exception('Invalid schedule_pay="' + schedule_pay + '" for MO Income Withholding calculation')

    gross_salary = PP * wages
    deduction = -1
    if filing_status == 'single' or (filing_status == 'married' and spouse_employed):
        deduction = 6500.0
    elif filing_status == 'married' and not spouse_employed:
        deduction = 13000.0
    else:
        deduction = 9550.0

    if deduction &lt; 0:
        raise UserError('Invalid deduction calculation')

    allowances = 0
    if filing_status == 'single' or (filing_status == 'married' and spouse_employed):
        if exemptions == 1:
            allowances = 2100.0
        elif exemptions &gt; 1:
            allowances = 2100.0 + ((exemptions - 1) * 1200.0)
    elif filing_status == 'married' and not spouse_employed:
        if exemptions &gt; 0 and exemptions &lt; 3:
            allowances = 2100.0 * exemptions
        elif exemptions &gt;= 3:
            allowances = 2100.0 + 2100.0 + ((exemptions - 2) * 1200.0)
    else:
        if exemptions == 1:
            allowances = 3500.0
        elif exemptions &gt; 1:
            allowances = 3500.0 + ((exemptions - 1) * 1200.0)

    federal = categories.FED_INC_WITHHOLD * -1 * PP
    if filing_status == 'married' and not spouse_employed:
        federal = min(10000.0, federal)
    else:
        federal = min(5000.0, federal)

    mo_taxable_income = gross_salary - deduction - allowances - federal

    remaining_taxable_income = mo_taxable_income
    tax = 0.0
    for amt, rate in TAX:
        rate = rate / 100.0
        remaining_taxable_income = remaining_taxable_income - amt
        if remaining_taxable_income > 0.0 or remaining_taxable_income == 0.0:
            tax += rate * amt
        else:
            tax += rate * (remaining_taxable_income + amt)
            break
    tax = -tax
    tax = tax / PP

    # Small GROSS results in an underflow
    if tax &gt; 0.0:
        tax = 0.0

    if additional:
        tax -= additional

    result = round(tax)
        </field>
        <field name="register_id" ref="contrib_register_modor_withhold"/>
    </record>

    </data>
</odoo>