def formula_2012_01_01(foyer_fiscal, period, parameters):
    """
        Plus-values 2012 entrant dans le calcul du revenu fiscal de référence
        """
    f3sa_2012 = foyer_fiscal('f3sa_2012', period)
    f3sj = foyer_fiscal('f3sj', period)
    f3sk = foyer_fiscal('f3sk', period)
    f3vc = foyer_fiscal('f3vc', period)
    f3vd_i = foyer_fiscal.members('f3vd', period)
    f3vf_i = foyer_fiscal.members('f3vf', period)
    f3vg = foyer_fiscal('f3vg', period)
    f3vi_i = foyer_fiscal.members('f3vi', period)
    f3vl = foyer_fiscal('f3vl', period)
    f3vm = foyer_fiscal('f3vm', period)
    f3vp = foyer_fiscal('f3vp', period)
    f3vt = foyer_fiscal('f3vt', period)
    f3vy = foyer_fiscal('f3vy', period)
    f3vz = foyer_fiscal('f3vz', period)
    f3we = foyer_fiscal('f3we', period)
    f3vi = foyer_fiscal.sum(f3vi_i)
    f3vd = foyer_fiscal.sum(f3vd_i)
    f3vf = foyer_fiscal.sum(f3vf_i)
    rpns_pvce_i = foyer_fiscal.members('rpns_pvce', period)
    rpns_pvce = foyer_fiscal.sum(rpns_pvce_i)
    return (f3sa_2012 + f3sj + f3sk + f3vc + f3vd + f3vf + f3vg + f3vi +
        f3vl + f3vm + f3vp + f3vt + f3vy + f3vz + f3we + rpns_pvce)
