25. Staff  26. Class-child ratio  and information without interference (whether the communication be to the public generally or to  any person or class of persons) and free dom from interference with his or her correspondence. (2) Nothing contained in or done under the authority of any law shall be held to be  inconsistent with or in contravention of this section to the extent that the law in question makes  provision-  and except so far as that provision or, as the case may be, the thing done under the authority  thereof is shown not to be reasonably justifiable in a democratic society. (1) Except with his or her own consent, no person shall be hindered in the enjoyment of his  or her freedom of assembly and association, that is to say, his or her right to assemble freely and  associate with other persons and in particular to form or belong to trade unions  or other  associations for the protection of his or her interests. (2) Nothing contained in or done under the authority of any law shall be held to be  inconsistent with or in contravention of this section to the extent that the law in question makes  provision-  and except so far as that provision or, as the case may be, the thing done under the authority  thereof is shown not to be reasona bly justifiable in a democratic society. (1) No person shall be deprived of his or her freedom of movement, and for the purposes  of this section the said freedom means the right to move freely throughout  Botswana, the right to  reside in any part of Botswana, the right to enter Botswana and immunity from expulsion from  Botswana.  14.  Protection of freedom of movement  13.  Protection of freedom of assembly and association  ( a )  that is reasonably required in the interests of defence, public safety, public order, public  morality or public health; or ( b )  that is reasonably required for the purpose of protecting the reputations, rights and  freedoms of other persons or the private l ives of persons concerned in legal  proceedings, preventing the disclosure of information received in confidence,  maintaining the authority and independence of the courts, regulating educational  institutions in the interests of persons receiving instruction  therein, or regulating the  technical administration or the technical operation of telephony, telegraphy, posts,  wireless, broadcasting or television; or ( c )  that imposes restrictions upon public officers, employees of local government bodies, or  teachers,  ( a )  that is reasonably required in the interests of defence, public safety, public order, public  morality or public health; ( b )  that is reasonably required for the purpose of protecting the rights or freedoms of other  persons;  ( c )  that imposes restrictions upon public officers, employees of local government bodies, or  teachers; or  ( d )  for the registration of trade unions and associations of trade unions in a register  established by or under any law, and for imposing reasonable conditions relating  to the  requirements for entry on such a register (including conditions as to the minimum  number of persons necessary to constitute a trade union qualified for registration, or of  members necessary to constitute an association of trade unions qualified for  registration)  and conditions whereby registration may be refused on the grounds that any other trade  union already registered, or association of trade unions already registered, as the case  may be, is sufficiently representative of the whole or of a substa ntial proportion of the  interests in respect of which registration of a trade union or association of trade unions is  sought, Copyright Government of Botswana