Also known as:possession as an act · possessory act
Written by attorneys · grounded in primary & secondary sources — see below
A principle providing that possession constitutes the voluntary act required for criminal liability when the possessor knowingly procured or received the item or maintained awareness of control for a sufficient period to terminate possession.
Sources & Authorities
How it applies
Common Examples
2
Worker Retains Discovered Contraband
Pablo Perez took home a sealed crate labeled as scrap from his workplace. He later opened it in his garage and discovered smuggled prototype chips belonging to a competitor. Pablo kept the crate behind his workbench for several weeks while deciding what to do, even though he could have discarded or reported it during that time. His continued knowing control satisfies the requirement that possession qualify as a voluntary act.
Driver Keeps Counterfeit Items
Darius accepted a sealed box labeled promo samples from a friend for transport in his truck cab. Malik later called and admitted the box contained counterfeit phones. Darius kept the box locked in his personal compartment for another week until a weigh-station inspection. His decision to retain the box after learning its contents meets the standard for possession as a voluntary act.
Put it into practice
Test Yourself
9
Practice Questions4
· 1 primary source
Select any source to read its text and confirm it supports the definition.
Model Codes
Casebooks
United States v. Denis297 F.3d 25 (1st Cir. 2002)
Common questions
Frequently Asked
4
Does innocent initial receipt prevent possession from qualifying as a voluntary act?+
No. Even if the defendant acquires an item without knowledge of its illegal nature, possession becomes a voluntary act once the defendant learns of the item's character and retains control for a sufficient period during which termination was possible.
Supporting sources
How long must awareness of control last for possession to count as an act?+
The period must be long enough for the defendant to have had a realistic opportunity to terminate possession, such as by discarding, reporting, or surrendering the item. Several weeks of continued retention after discovery satisfies the requirement.
Supporting sources
Can fear or professional duty excuse continued possession under this principle?+
No. The principle focuses on whether the defendant had actual awareness of control and a practical opportunity to end it. Subjective fears or duties do not negate the voluntary character of retention when safe avenues for termination existed over an extended period.
Supporting sources
Does mere proximity to contraband without affirmative steps satisfy the act requirement?+
No. The defendant must exercise knowing control. Assigned monitoring duties combined with awareness and the ability to report or remove the items over multiple days can establish the required control.
Supporting sources
Criminal Law Constitutional ProtectionsStatutory crimes · Possession and trafficking offensesNEXTGENIntermediate