27 Matter to be proved in action for calls.E+W+N.I.
On the trial or hearing of such action or suit it shall be sufficient to prove that the defendant at the time of making such call was a holder of one share or more in the undertaking, and that such call was in fact made, and such notice thereof given as is directed by this or the special Act; and it shall not be necessary to prove the appointment of the directors who made such call, nor any other matter whatsoever; and thereupon the company shall be entitled to recover what shall be due upon such call, with interest thereon, unless it shall appear either that any such call exceeds the prescribed amount, or that due notice of such call was not given, or that the prescribed interval between two successive calls had not elapsed, or that calls amounting to more than the sum prescribed for the total amount of calls in one year had been made within that period.