A printer comprising: a retention component to retain a resource of printing material; a dispenser to dispense a print layer on a medium using printing material of the resource; a controller to: make a determination as to whether the printer is opted into a subscription plan implement a subscription configuration, based on the respective determination that the printer is opted into the subscription plan; implement a trade use configuration, based on the respective determination that the printer is not opted into the subscription plan; and wherein the subscription configuration, when implemented, provides control of consumption of the resource of printing material, and the trade use configuration, when implemented, provides control with less restriction on consumption of the resource of printing material, as compared to control provided with the subscription configuration, and characterised by associating a use assignment with the resource of printing material, the use assignment permanently assigning the resource of printing material as subscription or trade use on any printer that installs the resource, wherein the use assignment is carried by the resource and the use assignment is determined and set when the resource is installed in the printer. a retention component to retain a resource of printing material; a dispenser to dispense a print layer on a medium using printing material of the resource; a controller to: make a determination as to whether the printer is opted into a subscription plan implement a subscription configuration, based on the respective determination that the printer is opted into the subscription plan; implement a trade use configuration, based on the respective determination that the printer is not opted into the subscription plan; and wherein the subscription configuration, when implemented, provides control of consumption of the resource of printing material, and the trade use configuration, when implemented, provides control with less restriction on consumption of the resource of printing material, as compared to control provided with the subscription configuration, and characterised by associating a use assignment with the resource of printing material, the use assignment permanently assigning the resource of printing material as subscription or trade use on any printer that installs the resource, wherein the use assignment is carried by the resource and the use assignment is determined and set when the resource is installed in the printer. make a determination as to whether the printer is opted into a subscription plan implement a subscription configuration, based on the respective determination that the printer is opted into the subscription plan; implement a trade use configuration, based on the respective determination that the printer is not opted into the subscription plan; and wherein the subscription configuration, when implemented, provides control of consumption of the resource of printing material, and the trade use configuration, when implemented, provides control with less restriction on consumption of the resource of printing material, as compared to control provided with the subscription configuration, and characterised by associating a use assignment with the resource of printing material, the use assignment permanently assigning the resource of printing material as subscription or trade use on any printer that installs the resource, wherein the use assignment is carried by the resource and the use assignment is determined and set when the resource is installed in the printer.