"To change the legislation" means to make edits or modifications to the existing laws or rules set by the government or any governing body. Full definition
I see them messaging the climate change legislation in terms of green jobs and green energy and the need to reduce emissions. (scientificamerican.com)
Wearing appropriate clothing is not like changing the legislation, but I truly believe it can make a difference in the daily life of a mother. (blog.momzelle.com)
They were corrected by executive orders and changing legislation governing those public employees. (educationnext.org)