Special powers of attorney are necessary in the following cases:
(1) To make such payments as are not usually considered as acts of administration;
(2) To effect novations which put an end to obligations already in existence at the time the agency was constituted;
(3) To compromise, to submit questions to arbitration, to renounce the right to appeal from a judgment, to waive objections to the venue of an action or to abandon a prescription already acquired;
(4) To waive any obligation gratuitously;
(5) To enter into any contract by which the ownership of an immovable is transmitted or acquired either gratuitously or for a valuable consideration;
(6) To make gifts, except customary ones for charity or those made to employees in the business managed by the agent;
(7) To loan or borrow money, unless the latter act be urgent and indispensable for the preservation of the things which are under administration;
(8) To lease any real property to another person for more than one year;
(9) To bind the principal to render some service without compensation;
(10) To bind the principal in a contract of partnership;
(11) To obligate the principal as a guarantor or surety;
(12) To create or convey real rights over immovable property;
(13) To accept or repudiate an inheritance;
(14) To ratify or recognize obligations contracted before the agency;
(15) Any other act of strict dominion. (n)