Related Rule
Botswana
Practice Relating to Rule 96. Hostage-Taking
Botswana’s Geneva Conventions Act (1970) punishes “any person, whatever his nationality, who, whether in or outside Botswana, commits, or aids, abets or procures the commission by any other person of, any such grave breach of any of the [1949 Geneva] conventions”. 
Botswana, Geneva Conventions Act, 1970, Section 3(1).
On the basis of an interview with a retired army general, the Report on the Practice of Botswana considers that should an internal conflict arise, Article 4 of the 1977 Additional Protocol II would be applied by military personnel. 
Report on the Practice of Botswana, 1998, Interview with a retired army general, Answers to additional questions on Chapter 1.4.