(b) In lieu of the statement of election, where a retired teacher expects to earn or has earned from public service during a calendar year any amount greater than the maximum amount permitted by section 212 to be earned from public service during such calendar year, such retired teacher shall provide written notice to the system containing the following information:

1. (1) said teacher's name and address;
2. (2) said teacher's employee identification number; and
3. (3) the gross earnings of said teacher to date from public service during the calendar year, together with the name of the employer(s) by whom said teacher was employed.