273. Sentence on An Offender Already Sentenced for Another Offence. When a person already undergoing a sentence of imprisonment is sentenced to imprisonment, such imprisonment shall commence at the expiration of the imprisonment to which he has been previously sentenced, unless the Court directs that the subsequent sentence shall run concurrently with such previous sentence. 274. Return Of Warrant on Execution of Sentence. When a sentence has been fully executed, the officer executing it shall return the warrant to the Court in which the trial took place with an endorsement under his hand certifying the manner in which the sentence has been executed. CHAPTER XXVI PARDONS, SUSPENSIONS, REMISSIONS AND COMMUTATIONS OF SENTENCES 275. Power to Pardon. The Chairman may remit the whole or part of the sentence and he may drop the conviction of any person for any offence. 276. Power to Suspend or Remit Sentences. (1) When any person has been sentenced to punishment for an offence, the Chairman may at any time without conditions or upon any conditions, which the person sentenced, accepts suspend the execution of his sentence or remit the whole or any part of the punishment to which he has been sentenced. (2) If any condition, on which a sentence has been suspended or remitted is in the opinion of the Chairman not fulfilled, the Chairman may cancel the suspension or remission and if the convicted person has been released from prison before the period of his imprisonment has expired he may be re-arrested without warrant by any policeman or chief or retainer and may be re-committed to prison by any Magistrate of the First or Second class to serve the un-expired portion of his sentence and in calculating such un-expired portion the time during which the convicted person has been at large shall be excluded from the calculation. (3) A condition, on which a sentence is suspended or remitted under this section, may be one to be fulfilled by the person in whose favour the sentence is suspended or remitted or one independent of his will. (4) A Committee consisting of the President of the Court of Appeal the Commissioner of Interior and the Attorney General shall be established and shall be charged with the duty of considering and reporting to the Chairman upon the case of every prisoner in respect of whom a recommendation for suspension or remission of sentence has been submitted to the Chairman prior to consideration by the Chairman. 92