The global halal industry is likely to grow between USD 3 trillion and USD 4 trillion in the next five years, from the current estimated USD 2 trillion, backed by continued demand from both Muslims and non-Muslims as well. Realizing the importance of halal industry to the global community, Academy of Contemporary Islamic Studies (ACIS), Universiti Teknologi MARA (UiTM), Malaysia and Sultan Sharif Ali Islamic University (UNISSA), Brunei will be organising 4th International Halal Conference (INHAC) 2019 with the main theme “Enhancing Halal Sustainability'. ACIS is one of the faculty in UiTM, which is the largest university in Malaysia. Over the years, ACIS has played a pivotal role in promoting halal activities in the industry and academia. In Malaysia, ACIS pioneers halal education programs at the tertiary education levels including Diploma, Bachelor’s Degree and postgraduate in Halal Industry Management. ACIS has successfully organised three series of INHAC in 2012 (Kuala Lumpur), 2014 (Istanbul) and 2016 (Shah Alam) at three different venues. Therefore, this 4th INHAC will be held in Osaka, Japan on 22nd - 23rd April 2019. Conference Theme"Enhancing Halal Sustainability" Sub-ThemeWe welcome both conceptual and empirical papers that fall within, but not limited to the followings sub-themes:1. Halal Food & Safety•Halal Food•Halal Ingredients•Halal Testing•Halal Animal Feed•Halal Slaughtering 2. Halal Services•Halal Logistics•Halal Pharmaceuticals•Halal Tourism & Hospitality•Halal Financing•Halal Consumerism 3. Halal Business & Industry•Halal Cosmetics•Halal Retailing•Halal Warehousing•Halal & Business Ethics•Halal Transportation•Halal Supply Chain•Halal Packaging•Halal Businesses & Halal Auditing 4. Halal Standard & Policy•Halal Auditing•Halal Standards & Policies•Halal & Governance•Halal Quality Assurance•Halal and Legal / Regulatory Framework•Shariah Compliance and Shariah Governance Issues 5. Halal Research & Education•Ethical Issues in Halal Products•Halal and Curriculum Development•Halal Textile or any other relevant topics.