Registration for participation in the major scientific event "12. BHAAAS Days in BiH," which will be held from June 25 to 28 in Mostar, was officially opened via the website of the BHAAAS Association. As a reminder, the Bosnian-Herzegovinian-American Academy of Arts and Sciences (BHAAAS) has been organizing a conference called "BHAAAS Days in Bosnia and Herzegovina" since 2009, the aim of which is to bring together scientists and experts from Bosnia and Herzegovina. diaspora with colleagues from Bosnia and Herzegovina. This year, at the conference "12. Days of BHAAAS in BiH," the attendance of over a thousand academic workers and artists from all over the world is expected. Also, a special invitation to participate is addressed to students and young researchers for whom this conference represents a unique opportunity to learn all about the latest trends in science and technology, but also to meet some of the leaders of the world academic community. The media sponsor of this great scientific event is the Radiosarajevo.ba portal (https://radiosarajevo.ba/).