(a) On approval of an application submitted by two or more reimbursing employers, the commission shall establish a group account for the employers to share the cost of benefits that are attributable to service in the employ of the employers.
(b) The application must identify and authorize a group representative to act as the group’s agent for the purpose of this subchapter.

(c) The group account takes effect at the beginning of the calendar quarter in which the commission received the application. The commission shall notify the group’s representative of the effective date of the account.