XYZ Company Ltd is a company registered under the Companies Act. The object clause of the memorandum of association of XYZ Company states that it has been authorized to carry on the business of TOUR & TRAVELS. For some reason, the directors of the said company want to change their main objective to BAKERIES & CONFECTIONARY.

a)Advise them on the doctrine of ultra-vires transaction and that of constructive notice in the light of the validity of change of objects.

b)Under what circumstances can a company change its objects without contravening the law?