(a) Filings shall be reviewed as appropriate and necessary to carry out the provisions of this article. The commissioner may publish notice of a filing in the Pennsylvania Bulletin, including the time period established by the department for receipt of public comment on the filing.

(b) Disapproval of a filing shall be based only on specific provisions of applicable law, regulations or statements of policy or on insufficiency of supporting information. Rates filed under section 505-A shall not be disapproved unless the rates are determined to be excessive, inadequate or unfairly discriminatory.

(c) A filing disapproved by the department may be resubmitted within one hundred twenty (120) days after the date of the disapproval. Resubmitted filings shall become effective and may be used thirty (30) days after the receipt of the resubmission by the department unless previously approved or disapproved by the department. The provision of this subsection shall apply to filings made after the effective date of this article.

(d) Disapproval of a resubmitted filing shall be based only on specific provisions of applicable law, regulations or statements of policy or on insufficiency of supporting information. Disapproval may not be based on any grounds not specified in the initial disapproval issued by the department except to the extent that new information is presented in the resubmission.

(e) Any resubmission following a second disapproval shall be considered a new filing and shall be reviewed in accordance with subsection (a).

(f) Nothing in this section shall prevent the commissioner from approving a filing.