If CRA has wrongly assessed taxes even after you have file a Notice of Objection your Canadian Tax Lawyer can launch an appeal of your improper tax assessment to the Tax Court of Canada
"This article provides information of a general nature only. It is only current at the posting date. It is not updated and it may no longer be current. It does not provide legal advice nor can it or should it be relied upon. All tax situations are specific to their facts and will differ from the situations in the articles. If you have specific legal questions you should consult a lawyer."