I think hindi na siguro, if ever they will request for justification, at least confident ka na may ipapakita ka sa kanila na match dun sa updated file mo. I'm not really an expert about this kaya if there's someone who has more knowledge about this, pls correct me if I'm wrong..
Based from what happened to my app, they initially requested my Sched A way back March since I'm a Feb. applicant. I tried to submit it via myCIC but there was no option to upload it so I sent it instead sa IRCC. Now, the problem there was nasubmit ko yung file na supposedly for upload to myCIC which doesn't require a handwritten signature whereas if sa IRCC isesend, need ng handwritten signature. So I sent another copy with the file na may handrwitted sign the moment that they have transferred my app to MVO. I emailed MVO about this and they said that there's no need for me to submit a new one.
But just yesterday, I got a request from myCIC that I need to submit "Schedule A Online" with the reason "Replacement needed". I checked the Sched. A na sinend ko previously and wala namang mali so I'm not sure bakit replacement needed. Anyway, nagsubmit na ko ulit to myCIC and hoping to get some feedback soon.