Norma relacionada
Practice Relating to Rule 73. Biological Weapons
The Philippines’ Republic Act No. 8438 (1997) provides: “It is the policy of the Cordillera Autonomous Region to prohibit the development, storage, use or transport of nuclear, biological or chemical weapons within the region.” 
Philippines, Republic Act No. 8438, 1997, Section 19.
At the CDDH, the Philippines proposed an amendment to include “the use of weapons prohibited by International Conventions, namely: … bacteriological methods of warfare” in the list of grave breaches in Article 74 of the draft Additional Protocol I (now Article 85). 
Philippines, Proposal of amendment to Article 74 of the draft Additional Protocol I submitted to the CDDH, Official Records, Vol. III, CDDH/418, 26 May 1977, p. 322.
The proposal was rejected because it failed to obtain the necessary two-thirds majority (41 votes in favour, 25 against and 25 abstentions). 
CDDH, Official Records, Vol. VI, CDDH/SR.44, 30 May 1977, pp. 288–289. (Against: Australia, Belarus, Belgium, Bulgaria, Canada, Czechoslovakia, Denmark, Finland, France, Federal Republic of Germany, German Democratic Republic, Hungary, India, Luxembourg, Monaco, Mongolia, Netherlands, New Zealand, Poland, Portugal, Ukraine, USSR, United Kingdom, United States and Zaire. Abstaining: Brazil, Cameroon, Cyprus, Cuba, Greece, Guatemala, Indonesia, Islamic Republic of Iran, Ireland, Israel, Italy, Japan, Mauritania, Morocco, Nigeria, Norway, Republic of Korea, Romania, Spain, Swaziland, Sweden, Thailand, Turkey, Uganda and Viet Nam.)
The Report on the Practice of the Philippines states with reference to the prohibition of biological weapons: “The country holds such prohibition customary.” 
Report on the Practice of the Philippines, 1997, Answers to additional questions on Chapter 3, referring to Statement by the Department of Foreign Affairs, Office of United Nations and International Organizations (UNIO), Manila, 6 March 1998.