Content and Distribution. Every final decision rendered by the Secretary shall be in writing and shall be accompanied by findings of fact and conclusions of law. The findings of fact shall consist of a concise statement of the conclusions upon each contested issue of fact. The Secretary shall mail to each party or each party's counsel a copy of the decision and accompanying findings and conclusions within 30 days of the hearing. Right to Judicial Review. The Secretary shall advise the petitioner in writing of the petitioner's right to judicial review.