- Filling plant for filling pourable food products into composite packages; wherein the filling plant is configured to form the composite packages from a multilayer composite packaging material and to fill the composite packages with the pourable food product, the multilayer composite packaging material being provided in the form of a web; wherein the filling plant comprises at least: - a control device configured to control operation of the filling plant; and - an input device operatively connected to the control device, the filling plant characterized in that each blank of web carries a respective identification code, each blank carries the same identification code, insofar as the multiple composite packaging material and the respective composite packages to be formed are substantially identical and also the pourable food product to be filled is the same; the input device is configured to receive the identification code indicative of the specific multilayer composite packaging material and/or the composite packages and/or the pourable food product to be filled and to send a signal about the identification code to the control device, the input device being configured to read the identification code from the web; wherein the control device is configured to set operational parameters of the filling plant as a function of the identification code, wherein the filling plant comprises a memory unit containing the operational parameters associated to the identification code, the memory unit containing a plurality of sets of operational parameters, each set being associated to one respective and unique identification code. wherein the filling plant is configured to form the composite packages from a multilayer composite packaging material and to fill the composite packages with the pourable food product, the multilayer composite packaging material being provided in the form of a web; wherein the filling plant comprises at least: - a control device configured to control operation of the filling plant; and - an input device operatively connected to the control device, - a control device configured to control operation of the filling plant; and - an input device operatively connected to the control device, the filling plant characterized in that each blank of web carries a respective identification code, each blank carries the same identification code, insofar as the multiple composite packaging material and the respective composite packages to be formed are substantially identical and also the pourable food product to be filled is the same; the input device is configured to receive the identification code indicative of the specific multilayer composite packaging material and/or the composite packages and/or the pourable food product to be filled and to send a signal about the identification code to the control device, the input device being configured to read the identification code from the web; wherein the control device is configured to set operational parameters of the filling plant as a function of the identification code, wherein the filling plant comprises a memory unit containing the operational parameters associated to the identification code, the memory unit containing a plurality of sets of operational parameters, each set being associated to one respective and unique identification code.