An entity can change its accounting policy:

Question

Quizplus · Accepted Answer

An entity can change its accounting policy if it can argue that the new method provides better information for users. However, the entity should disclose the change in its financial statements and provide a justification for why the new method is preferable. The approval of auditors is not necessarily required, but they may need to review and approve the disclosure of the change. Entities can change their accounting policies, but it should not be done frequently or arbitrarily.

An Entity Can Change Its Accounting Policy