7.4 The State party also recalls that the District Public Prosecutor found no basis for reversing the Chief Constable's decision and argued, in particular, that neither the Act against Discrimination nor the Convention include nationality as an independent ground of discrimination. Against this background it must be assumed that discrimination against foreign nationals only violates the Act to the extent that it could be assimilated to discrimination on the basis of national origin or one of the other grounds listed in section 1 (1). According to the legislative history of the Act, it had to be presumed that certain forms of differential treatment could be considered lawful if they pursued a legitimate aim seen in the light of the purpose of the Act. In the processing of loan applications the applicant's ties with Denmark may be of importance, among other things, for assessing the possibility of enforcement of the creditor's claim. In consideration of this the data concerning the applicant's nationality were objectively justified. 7.5 The State party argues that the police investigation in the present case satisfies the requirement that can be inferred from the Convention and the Committee's practice. According to the Administration of Justice Act the police initiates an investigation when it can be reasonably assumed that a criminal offence subject to public prosecution has been committed. The purpose of the investigation is to clarify whether the conditions for imposing criminal liability or other criminal sanctions have been fulfilled. The police will reject an information laid if no basis is found for initiating an investigation. If there is no basis for continuing an investigation already initiated, the decision to discontinue it can also be made by the police, provided no provisional charge has been made. 7.6 In the State party's opinion, there is no basis for criticizing the Chief Constable's and the District Public Prosecutor's decisions, which were taken after an investigation had actually been carried out. The police took the information seriously and its decision was not unsubstantiated. The decision was not only based on the information forwarded by the author, including the written correspondence with the bank about its credit policy, but also on interviews with the author and a credit manager of the bank. 7.7 The State party refers to the Committee's opinion regarding communication 4/1991 in which the Committee stated that