Arm’s length principle
From ACT Wiki
When a transaction between two related or affiliated parties is conducted (and priced) as if they were unrelated, so that there is no question of a conflict of interest (or of tax avoidance).
See also
When a transaction between two related or affiliated parties is conducted (and priced) as if they were unrelated, so that there is no question of a conflict of interest (or of tax avoidance).