NAF¶

def is_naf_format_correct(naf):
    """Validate that NAF has NAF format"""
    try:
        NAF(naf)  # Parse using constructor
    except ValueError:
        return False
    return True

def clean_naf(naf):
    "Removes symbols that are not numbers in a SS number"
    return naf.replace("/", "").replace("-", "")