Such provisions apply when the subject individual is already aware or his information turns out impossible or requires disproportionate efforts/sacrifices with consideration to the profitability/opportunity of the operation. Section 49: Unless clear consent of the subject individual, the personally identifiable information/data collected by electronic/digital certification service providers for certificates issuing and conservation needs related to electronic signatures must be directly collected from the subject individual and must only be processed for the motives/objectives for which they have been collected. Section 50: The responsible of the processing must take all necessary precautions with regard to the nature of the information/data and the risks linked to the processing to preserve the security of the information/data and, inclusively/also prevent their distortion, alteration or that unauthorized individuals have access to them. Section 51: Personally identifiable information/data processing may be operated by a subcontractor, an individual acting under the subordination of the responsible/officer in charge of the processing or the subcontractor, only if the responsible/officer in charge of the processing gives such instruction. Any individual processing personally identifiable information/data on the behalf of the responsible/officer in charge of the processing is considered a subcontractor in the view/ of/according to the present law. The subcontractor must give sufficient warranties to ensure the implementation of the security and confidentiality measures mentioned in the ending lines of the present Section. This requirement does not exempt the responsible/officer of the processing from his obligation to see over the respect of these measures. The contract between the sub-contractor and the responsible of the processing specifies the obligations that the sub-contractor is subject to in matter of protection of the security and confidentiality of data and specifies that the subcontractor may take action only when the responsible instructs him.