To "abide by" means to adhere to, follow or obey a certain rule, agreement, law or standard. It implies that one is willing to accept and respect the guidelines set forth and will act in accordance with them.
Even if an internal investigation is conducted, the employer may be liable to the employee if they do not abide by strict guidelines dictated by law. (toronto-employmentlawyer.com)
As the head of a mortgage brokerage, the principal broker is responsible for documents and must ensure that agents abide by all the rules. (mortgagebrokerstore.com)
In addition, truck drivers are required to abide by certain rules, starting with obtaining special licenses. (phoenixcriminaldefense.com)