The most recent version (September 2006) of the US Army Intelligence Interrogation Field Manual (FM 34-52) states:
"HUMANE TREATMENT
M-15. All captured or detained personnel shall be treated humanely at all times and in accordance with DOD Directive 3115.09, "DOD Intelligence Interrogations, Detainee Debriefings, and Tactical Questioning"; DOD Directive 2310.1E, “Department of Defense Detainee Program,” and no person in the custody or under the control of the DOD, regardless of nationality or physical location, shall be subject to cruel, inhuman, or degrading treatment or punishment as defined in US law, including the Detainee Treatment Act of 2005. All intelligence interrogations, debriefings, or tactical questioning to gain intelligence from captured or detained personnel shall be conducted in accordance with applicable law and policy."
"M-16. Any inhumane treatment—including abusive practices, torture, or cruel, inhuman, or degrading treatment or punishment as defined in US law, including the Detainee Treatment Act of 2005—is prohibited and all instances of such treatment will be reported immediately in accordance with paragraph 5-69 thru 5-72. Beyond being impermissible, these unlawful and unauthorized forms of treatment are unproductive because they may yield unreliable results, damage subsequent collection efforts, and result in extremely negative consequences at national and international levels. Review by the servicing SJA is required prior to using separation. Each interrogation plan must include specific safeguards to be followed: limits on duration, interval between applications, and termination criteria. Medical personnel will be available to respond in the event a medical emergency occurs."
Read the full U.S. Army Field Manual on Interrogation (PDF).
