Section 906.17 - Review by the Regional Administrator(a) If NAO does not receive a timely motion for reconsideration pursuant to § 906.16(a) , receives a timely motion and rejects it pursuant to § 906.16(d)(1) , or issues a revised decision pursuant to § 906.16(d)(2) or (e) , NAO will notify the Regional Administrator and the appellant, and provide a copy of the case record for its decision or revised decision to the Regional Administrator.(b) In reviewing NAO's findings of fact, the Regional Administrator may only consider the evidentiary record including arguments, claims, evidence of record and other documents of record that were before NAO when it rendered its decision or revised decision.(c) The Regional Administrator may take the following action within 30 days of service of NAO's notification and receipt of the case record under paragraph (a) of this section:(1) Issue a written decision adopting, remanding, reversing, or modifying NAO's decision or revised decision.(2) Issue a stay for no more than 90 days to prevent NAO's decision or revised decision from taking effect.(d) The Regional Administrator must provide a written decision explaining why an NAO decision or revised decision has been remanded, reversed, or modified. Consistent with § 906.18(b) , the Regional Administrator may, but does not need to, issue a written decision to adopt an NAO decision or revised decision.(e) The Regional Administrator will serve a copy of any written decision or stay on NAO and the appellant.