25 CFR §542.4

1. (a)If there is a direct conflict between an internal control standard established in a Tribal-State compact and a standard or requirement set forth in this part, then the internal control standard established in a Tribal-State compact shall prevail.
2. (b)If an internal control standard in a Tribal-State compact provides a level of control that equals or exceeds the level of control under an internal control standard or requirement set forth in this part, then the Tribal-State compact standard shall prevail.
3. (c)If an internal control standard or a requirement set forth in this part provides a level of control that exceeds the level of control under an internal control standard established in a Tribal-State compact, then the internal control standard or requirement set forth in this part shall prevail.