The JLOS Open Day is part of the sector's publicity campaign and an opportunity for the JLOS institutions to interact with the public and showcase the services they provide. Normally, the District Chain Linked Committees of the area hosting the Open Day always take the lead in event organization. The open day is always held in the form of an exhibition which is preceded by a procession around town.

On display are stalls manned by personnel and staff from the various JLOS institutions each complete with information materials such as publications, forms, products, and other displays with the aim of informing the public of the work they do and making the services more accessible and bringing them closer to the people. Institutions also showcase uniforms and other specialised clothing used in their interaction with the public.

The JLOS open day has traditionally been one of the major events preceding the National JLOS Forum. The 1st JLOS Open Day was held in Kampala in 2009. Mbale hosted the 2nd JLOS open day in 2010. The 3rd Justice, Law and Order Sector open day was held in March 2012 in Kampala.

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