May 1992: FCC issues HAC rule for all workplaces

May 1993 – businesses with >20 employees

May 1994 – businesses with <20 employees

February 1993 – Goodwill Industries seeks waiver

April 1993 – 11th Hour TCA emergency petition for stay – hundreds of calls, letters to FCC: stay granted

1995-96 – Negotiated rulemaking rewrites elaborate HAC rules on phones in workplaces, hotels, health care facilities

volume control, HAC labeling on phones added