Yes, REMITS is a Scrabble word!

Letter values in Scrabble US: R 1, E 1, M 3, I 1, T 1, S 1.

Is it a valid word?

REMITS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

the topic that a person, committee, or piece of research is expected to deal with or has authority to deal with
(law) the act of remitting (especially the referral of a law case to another court)

send (money) in payment
hold back to a later time
release from (claims, debts, or taxes)
refer (a matter or legal case) to another committee or authority or court for decision
forgive
make slack as by lessening tension or firmness
diminish or abate

Also: hold over, put over, set back, put off, send back.