Where the competent authority of the executing State has informed the public prosecutor that it recognises the sentence or the probation decision, the competent authorities of the executing State shall become solely competent to supervise the probation measures or alternative sanctions imposed, as well as for amending the obligations or instructions, revoking the suspension of enforcement of the sentence or conditional release and taking any decision in the event of the commission of a new offence or of non-compliance with an alternative sanction or a probation measure.