A. No public officer or employee may receive or agree to receive directly or indirectly compensation other than as provided by law for any service rendered or to be rendered by him personally in any case, proceeding, application, or other matter which is pending before the public agency of which he is a public officer or employee.
B. This section shall not be construed to prohibit the performance of ministerial functions including, but not limited to, the filing, or amendment of tax returns, applications for permits and licenses, incorporation papers, and other documents.