Complex sentence: The industry experienced a decline from the early 1960s-when the 1960 Betting and Gaming Act permitted off-course cash betting-although sponsorship, limited television coverage, and the later abolition of on-course betting tax have partially offset this decline.
Split into simpler sentences: The industry experienced a decline from the early 1960s-when the 1960 Betting and Gaming Act permitted off-course cash betting. Sponsorship, limited television coverage, and the later abolition of on-course betting tax have partially offset this decline.