Publication ethics for journal Perspectives is regulated by the guadelines of Committee on Publication Ethics (COPE), that are available on www.publicationethics.org,

primarily on:
Code of Conduct and Best Practice Guidelines for Journal Editors. (https://publicationethics.org/files/Code%20of%20Conduct_2.pdf)

Code of conduct for publishers.
(https://publicationethics.org/files/Code%20of%20conduct%20for%20publishers%20FINAL_1_0.pdf)

Code of conduct for publishers.

Code of Conduct and Best Practice Guidelines for Journal Editors.