The phrase "and not required" is correct and usable in written English.
It can be used to indicate that something is optional or not mandatory in a given context.
Example: "The additional documentation is helpful, but it is optional and not required for submission."
Alternatives: "and not necessary" or "and not mandatory".
All the other bags, he said, were turned over to the National Archives and not required to be reported.
But the daily unregulated private commercial occupation of park land by vendors, even artists, is not reasonable and not required by the Constitution.
This clever liar, who allegedly deceived the UK and US and took them to war, is now free to travel between Iraq and Europe, and not required to answer for his lies.
The festival has an avant-garde thrust, yet is forever faithful to its own discoveries, and dependent on Hollywood stars, flown in to pose on the red carpet and not required to do anything more difficult, such as jury duty.
Other expenses, including Mr. Orr's housing (he stays in a condominium at the Westin Book Cadillac hotel) and travel (he regularly flies to his family home in the Washington area), are being paid by New Energy to Reinvent and Diversify, known as NERD, a nonprofit fund created by Mr. Snyder as a "social welfare organization" and not required, under federal provisions, to divulge its donors.
Because this data is self-declared and not required, interviewees are more likely to provide honest answers.
One PC, of course, may connect directly to the router and not require an adapter.
But so did lenders — by handing out too much money and not requiring sensible down payments.
The cost of these measures will be minimal and not require the commitment any significant resources.
Moral judgments (like reals) are absolute, springing from contemplation, incapable of proof and not requiring proof.
The NB-LTEM can localize open defects and short defects, and not requires closed circuit.
