13   Time within which prosecution shall be commenced and warrant issued

(1)  No person shall be prosecuted for any felony by virtue of this Part in respect of such compassings, imaginations, inventions, devices, or intentions as aforesaid, in so far as the same are expressed, uttered, or declared by open and advised speaking only, unless:

(a)  information of such compassings, imaginations, inventions, devices, and intentions, and of the words by which the same were expressed, uttered, or declared is given upon oath to one or more Justice or Justices within six days after such words were spoken, and

(b)  a warrant, for the apprehension of the person by whom such words were spoken, is issued within ten days next after such information was given as aforesaid.

(2)  No person shall be convicted of any such compassings, imaginations, inventions, devices, or intentions as aforesaid, in so far as the same are expressed, uttered, or declared by open or advised speaking as aforesaid, except upon his own confession in open Court, or unless the words so spoken are proved by two credible witnesses.