(1) may investigate the claim; and

(2) on application of any party to the claim, shall order a hearing.

(b) (1) The Commission shall make or deny an award within 30 days:

(i) after the mailing of the notice of the filing of a claim; or

(ii) if a hearing is held, after the hearing is concluded.

(2) The decision shall be recorded in the principal office of the Commission, and a copy of the decision shall be sent to each party’s attorney of record or, if the party is unrepresented, to the party:

(i) by first-class mail; or

(ii) by electronic means, if the party’s attorney of record consents or, if the party is unrepresented, the party consents.