It is not uncommon for individuals to continue working while undergoing treatment for cancer or lifestyle-related diseases. With the progression of an aging society and advancements in medical technology, the concept of “working while managing an illness” has become a reality in many workplaces. Against this backdrop, Japanese companies are increasingly required to establish systems that support employees in balancing treatment and work. The Ministry of Health, Labour and Welfare has previously provided guidelines titled “Guidelines for Supporting the Balance of Treatment and Work at Workplaces” to encourage voluntary initiatives by companies.<\/p>\n\n\n\n
However, with the amendment to the Comprehensive Promotion of Labor Policies Act in Japan, set to take effect in Reiwa 7 (2025), the situation is advancing further. The promotion of balancing treatment and employment in the workplace will be explicitly positioned as an obligation of effort for business owners under Japanese law.<\/p>\n\n\n\n
Consequently, the existing guidelines will be organized into the legally grounded “Guidelines for Supporting the Balance of Treatment and Work” (Ministry of Health, Labour and Welfare Notification No. 28)<\/a>, which will be applicable from April 1, Reiwa 8 (2026).<\/p>\n\n\n\n This article will outline the background and content of these guidelines and discuss the practical measures that companies in Japan are expected to take from the perspective of legal professionals.<\/p>\n\n\n\n