Specialised scientific and clinical sections of the APSR are formed into 'assemblies'.
The purpose of these includes the production of clinical guidelines and position statements, and assistance in fostering and improving clinical practice and research. As such, assemblies are in a prime position to help develop the scientific programme of the annual APSR Congresses.
The head of each assembly is elected by the membership of that assembly. All heads serve on the Central Congress Committee and one head is that committee's chairperson. Two of the heads serve on the APSR Executive Committee.