A Virginia savings institution, a Virginia savings institution holding company, or an out-of-state savings institution holding company owning subsidiaries that conduct a savings institution business in the Commonwealth shall file with the Commission notice of its intention to acquire a financial institution outside Virginia, together with such information as the Commission may request. The Commission shall within 30 days or an extended period not exceeding 15 days, disapprove such acquisition if it determines that the acquisition could affect detrimentally the safety or soundness of a Virginia savings institution. The Commission may approve such acquisition prior to the expiration of the 30-day period if it determines that the acquisition will not affect detrimentally the safety or soundness of such Virginia savings institution.