An article of manufacture having a document body constructed from document layers arranged on top of each other, with a first document layer having an evaluation unit, a second document layer having a first acquisition unit for collecting first biometric data, a third document layer having a second acquisition unit for collecting second biometric data, wherein the evaluation unit is connected to the first and second acquisition units in order to receive the first and second biometric data, the evaluation unit constructed for evaluating the first and second biometric data in order to activate a function of the article of manufacture depending on a result of the evaluation.