Every sheriff, chief of police or other person who is in charge of any jail, police station or other building where persons under arrest are held in custody pending investigation, pretrial release or other criminal proceedings, shall post in every room, other than cells, of such buildings where persons are held in custody, in conspicuous places where it may be seen and read by persons in custody and others, a poster, printed in large type, containing a verbatim copy in the English language of the provisions of Sections 103-2, 103-3, 103-4, 109-1, 110-2, 110-4, and 113-3 of this Code. Each person who is in charge of any courthouse or other building in which any trial of an offense is conducted shall post in each room primarily used for such trials and in each room in which defendants are confined or wait, pending trial, in conspicuous places where it may be seen and read by persons in custody and others, a poster, printed in large type, containing a verbatim copy in the English language of the provisions of Sections 103-6, 113-1, 113-4 and 115-1 and of subparts (a) and (b) of Section 113-3 of this Code.