"Fundamentals for the unification of spelling, which should be approved in schools and official publications" is an important publication, the author of which is unknown. The book contains a reasoned analysis and recommendations regarding the standardization of the spelling of the Ukrainian language, which are proposed for implementation in school and official practice. The author(s) present their thoughts, arguments and ideas on this issue, emphasizing the importance of linguistic consensus. The book thoroughly examines various aspects of orthographic unification, from historical data and linguistic arguments to practical recommendations for implementing changes. This book can be useful both to specialists in the field of linguistics and to everyone who is interested in issues of language and its correctness. "Bases para a unificação da ortografia que deve ser adoptada nas escolas e publicações oficiális" is not only a detailed analysis of the current state of spelling of the Ukrainian language, but also an attempt to find a way to unify spelling for further use in educational institutions and official publications."