The Sunshine Act allows agencies to hold their first regular meeting of the calendar or fiscal year with three days’ notice.

Source: https://www.mcall.com/2023/06/01/secret-meetings-by-board-overseeing-pa-s-1-billion-in-opioid-settlements-draw-criticism/

Under the Sunshine Act, agendas must be posted publicly at least 24 hours in advance, and list all items that will be discussed or acted upon.

Source: https://www.mcall.com/2023/11/09/parkland-board-violated-open-meetings-law-in-vote-on-teachers-contact-court-rules-in-jarrett-coleman-lawsuit/