Final answer:
The DA Form 8003 is used for ASAP referrals by the Commander or 1SG in the Army.
Step-by-step explanation:
The form used for ASAP referrals by the Commander or 1SG is the DA Form 8003, also known as the Army Substance Abuse Program Referral Form. This form is used to document and initiate the referral process for soldiers who may have substance abuse issues. It includes important information such as the soldier's personal details, reason for referral, and recommended action. The Commander or 1SG can fill out this form when identifying a soldier in need of ASAP services or treatment.