Rapu Ture - Exploring the Rules

0001-01-01

This formula is used for scenarios from the date 0001-01-01 onwards. More info on formulas

def formula(persons, period, parameters):
    # Based on MSD's web page
    # https://www.workandincome.govt.nz/products/a-z-benefits/accommodation-supplement.html
    age_threshold = parameters(
        period).entitlements.social_security.accommodation_supplement.age_threshold
    # NOTE: using the age at the start of the month
    # Age changes on a DAY, but this calculation only has a granularity of MONTH
    age_requirement = persons('age', period.start) >= age_threshold

    """
    http://www.legislation.govt.nz/act/public/1964/0136/latest/DLM363772.html
    Notwithstanding anything to the contrary in this Act or Part 6 of the Veterans’
    Support Act 2014 or the New Zealand Superannuation and Retirement Income Act 2001,
    the chief executive may, in the chief executive’s discretion, refuse to grant any
    benefit or may terminate or reduce any benefit already granted or may grant a
    benefit at a reduced rate in any case where the chief executive is satisfied
    (a) that the applicant, or the spouse or partner of the applicant or any person
    in respect of whom the benefit or any part of the benefit is or would be payable,
    is not ordinarily resident in New Zealand; """
    in_nz = persons(
        'social_security__is_ordinarily_resident_in_new_zealand', period)
    resident_or_citizen = persons('is_resident', period) + persons(
        'is_permanent_resident', period) + persons('is_nz_citizen', period)
    social_security__has_accomodation_costs = persons(
        'social_security__has_accomodation_costs', period)
    not_social_housing = (
        persons('eligible_for_social_housing', period) == 0)

    income = persons(
        'accommodation_supplement__below_income_threshold', period)
    cash = persons(
        'accommodation_supplement__below_cash_threshold', period)

    return age_requirement * resident_or_citizen * in_nz * social_security__has_accomodation_costs * not_social_housing * income * cash