optional

"School is not optional. Every child has the right to access quality education and parents have a legal duty to ensure regular attendance."

Adding a payment method on the app beforehand is optional.

Those who choose not to purchase the optional flood insurance package will be on the hook for water damage.

However, the scheme is optional will not be part of the national curriculum.

The closest the federal agency came to meeting the requirements were optional, unenforceable measures that the court deemed insufficient.