Trabalhos em Linguística Aplicada is dedicated to complying with good practices with regard to moral conduct in scientific journal publishing, based on the COPE (Committee on Publication Ethics) code of conduct. Preventing negligence is also a crucial responsibility of the entire editorial team: Any form of unethical behavior, as well as plagiarism in any instance, is not accepted by the journal. Authors who submit articles to TLA declare that their content is original and guarantee that the work has not been published or is in the process of being reviewed or evaluated in any other journal.

Authors must comply with the Brazilian Law 14.874 of May 28, 2024, which regulates research with human beings in Brazil and establishes the National System of Ethics in Research with Human Beings, in particular Article 27.