The phrase "onerous rules" refers to strict, burdensome, or difficult regulations or guidelines that require a lot of effort, time, or money to comply with. Full definition
The answer is not to put more onerous rules on our legal gun owners.» (syracuse.com)
We do not have to choose between markets unfettered by even modest protections against crisis, and markets stymied by onerous rules that suppress enterprise and innovation. (nystateofpolitics.com)
Education savings accounts are too new to know for sure, but the hope is that they will avoid onerous rules because funds can be spent on multiple uses. (educationnext.org)