5. Prohibition to do anything contemplated in section 4 does not apply(a) to practising advocates and notaries;
(b) to liquidators, sequestrators, trustees in bankruptcy, sheriffs and bailiffs, in the performance of their duties;
(c) to tutors, curators, testamentary executors, trustees and fiduciaries, in the performance of their duties;
(d) to licensed auctioneers in the performance of their duties;
(e) to agronomists and savings and credit unions, as regards a real estate transaction respecting a farm;
(f) to forest engineers as regards a real estate transaction respecting a forest property or a timber limit;
(g) to persons entitled to practise as public accountants as regards a loan secured by hypothec or pledge of an immoveable or a bulk sale of a stock in trade;
(h) to trust companies as regards immoveables held or managed by them for others;
(i) to chartered banks, Québec savings banks, savings and credit unions, insurance companies, loan companies and trust companies as regards loans secured by the hypothecation or pledging of immoveables and made in their own name or in the name of their customers;
(j) to a regular employee who, in the exercise of his principal occupation, carries out a real estate transaction on behalf of his employer when the latter is not a broker or a registered builder.