paragraph shall specify the respective scope, according to the specific needs of the investigation. 4 - With regard to all matters which are not contrary to this article, the regime of interception and recording of telephone conversations or communications laid down in articles 187, 188 and 190 of the Criminal Procedure Code shall apply to the interception and record of transmissions of computer data. Article 19 Undercover operations 1 – Undercover operations governed by Law number 101/2001, of 25 August, shall be permitted in the manner specified therein, in the course of the investigation of criminal offences: a) Provided for herein; or b) Committed by means of a computer system, to which correspond, in abstract, a term of imprisonment with a maximum band of over 5 years or, even where lower penalty has been provided for, and as regards intentional offences, those against freedom and sexual selfdetermination, in case victims are minors or incapacitated adults, qualified swindling, computer-related and communication forgery, racial, religious or sexual discrimination, economic and financial infringements, as well as criminal offences laid down in title IV of the Code of Copyright and Related Rights. 2 - Rules on interception of communications shall apply, as appropriate, where the resort to computer means and devices is required. CHAPTER IV International cooperation Article 20 Scope of international cooperation Competent national authorities shall cooperate with competent foreign authorities for the purposes of investigations or proceedings concerning criminal offences related to computer systems and data, or for the collection of electronic evidence of a criminal offence, according to rules on transfer of personal data provided for in Law number 67/98, of 26 October. Article 21 International cooperation permanent point of contact 1 - For international cooperation purposes, in order to ensure the provision of immediate assistance for the purposes referred to in the preceding article, the Polícia Judiciária (Judicial Police) shall guarantee the maintenance of a structure ensuring a point of contact available on a twenty-four hour, seven-day-a-week basis. 2 - This point of contact may be contacted by other points of contact, pursuant to agreements, treaties or conventions to which Portugal is bound, or in compliance with international cooperation protocols signed with judicial or police bodies.