There could be.
In Ontario, when the complainant is a worker and an investigation is done, both the complainant and the respondent get advised of the result of the investigation as well as any implementation of progressive discipline or any action taken by the employer. They have to be informed. I know of employers who have done the investigation and have done all that properly, but didn't follow through with advising the parties, and they actually got an order from the minister to advise. There is some teeth with regard to that.