def check_tax_unreg(hh):
    """
    Function that checks whether there are taxable returns to assets.

    Parameters
    ----------
    hh: Hhold
        household

    Returns
    -------
    bool
        True or False
    """
    for p in hh.sp:
        if p.fin_assets['unreg'].income_to_tax:
            return True
    return False