This correct buyer in good faith ka naman. If the transfer was duly registered with the Register of Deeds it only means that there is a presumption of regularity in the transaction. The TCT cannot be collaterally attacked by third persons and cannot be voided. The only problem, if any, is with regard to the notary public if he did not submit the deed of sale to the office of the clerk of court where he is a notary public, he may be subject of a disciplinary action if there is a complaint filed against him before the IBP disciplinary committee. And if affirmed by the SC he may penalized by the Supreme Court.