Hi Melissa, Best practice is to have a new posting and require applicants to apply for each job in which they are interested. It seems from the limited information we have, that this event was an anomaly and not the regular practice. That's good. If it's possible (i.e. no further action was taken on the reopened posting), it would be best to ensure that there is a record of the posting as it was originally and then open a new one and require individuals to apply directly to the new posting. As always, keep a record of anything unusual, mistakes or special circumstances in your hiring or other personnel practices in case of an audit.
You can use this OFCCP audit checklist to ensure you're doing what is required to maintain OFCCP's regulations including VEVRAA, Section 503, and EO 11246. Or request a demo to streamline your compliance and recruiting efforts.