A/HRC/33/50 3. Amendments to the methods of work concerning the review and publication of opinions 7. At its seventy-fourth session, the Working Group decided to amend its methods of work. The revised version is contained in document A/HRC/33/66. The following changes to the methods of work were agreed by the members of the Working Group: • Paragraph 7 (b) was amended to reflect the adoption in 2015 of the United Nations Standard Minimum Rules for the Treatment of Prisoners (the Nelson Mandela Rules), a revision of the previous Standard Minimum Rules; • Paragraph 18 was amended to allow the Working Group to submit its opinion to the source 48 hours after it has been sent to the Government; • Paragraph 21 was amended to allow the Working Group to conduct proprio motu a review of its opinions. 4. Reactions from Governments concerning previous opinions 8. By note verbale dated 22 May 2015, the Government of Australia informed the Working Group that Sayed Abdellatif, his wife and their children were currently in immigration detention as unlawful non-citizens (opinion No. 8/2015). The Government stated that, to date, no durable solution had been found. 9. By note verbale dated 29 May 2015, the Government of the Islamic Republic of Iran informed the Working Group that the detention of Mohammad Reza Pourshajari (opinion No. 16/2015) was in compliance with the applicable domestic law. 10. By note verbale dated 11 June 2015, the Government of the Republic of Moldova submitted that in the cases of Nikolai Tsipovic and Olesya Vedj (opinions No. 11/2015 and No. 12/2015) the investigative bodies had been operating in accordance with national and international legislation, respecting the principle of proportionality and the guarantees of the European Court of Human Rights. 11. By note verbale dated 21 October 2015, the Government of Burundi informed the Working Group that the initial communication regarding the case of Frédéric Bamvuginyumvira sent to the Government on 9 June 2015 (opinion No. 30/2015) had not been received by the Permanent Mission of Burundi to the United Nations Office and other international organizations in Geneva. 12. By note verbale dated 16 November 2015, the Government of Malaysia informed the Working Group that, in the case of Anwar Ibrahim (opinion No. 22/2015) there was no valid ground that warranted his immediate release as recommended by the Working Group. 13. By note verbale dated 29 October 2015, the Government of Turkmenistan provided its comments on the situation of Arslannazar Nazarov and Bairamklich Khadzhiorazov (opinion No. 40/2014), stating that there were no grounds to cancel or reconsider their sentences of 15 years of imprisonment handed down by the court in its lawfully issued verdict of 24 September 2014. 14. By note verbale dated 29 September 2015, the Government of the Bolivarian Republic of Venezuela expressed concern that, in the case concerning Antonio José Ledezma Díaz (opinion No. 27/2015), the Working Group had not considered the Government’s reply to a previous urgent appeal sent on 27 March 2015 (VEN 3/2015). 15. By note verbale dated 18 December 2015, the Government of Angola provided a late response on the case concerning José Marcos Mavungo (opinion No. 47/2015). 16. By note verbale dated 7 December 2015, the Government of Mexico submitted a late response on the case concerning Enrique Guerrero Aviña (opinion No. 55/2015). 7