Complex sentence: In 1988, he chaired a task force that examined Quebec's Sunday shopping laws; its report recommended that large food stores remain closed on Sundays, but that weekday hours be extended from 62 to 71 hours per week to allow stores to stay open later.
Split into simpler sentences: In 1988, he chaired a task force that examined Quebec's Sunday shopping laws. He recommended that large food stores remain closed on Sundays, but that weekday hours be extended from 62 to 71 hours per week to allow the stores to stay open later.