A receptacle section for an aerosol provision article is described. The aerosol provision article is for generating a flow of aerosol in use. The receptacle section is arranged for having installed therein an activatable element for modifying, once activated, a property of the flow of aerosol. The receptacle section is arranged to apply, on installation of the activatable element in the receptacle section by a user, a force to the activatable element to activate the activatable element.