<s>[INST] The next text is a question of a member of the European parliament:"Is the Commission aware that there has been a big increase in the number of people whose application to get married is rejected because the marriage is a bogus one, and who subsequently exploit differences in the national legislation of the Member States or differing interpretations of national legislation at local level in order to submit a new application to get married in another district of the same country or in a different EU Member State?  Does the Commission not think it would be advisable to take initiatives to prevent this form of ‘marriage shopping’, inter alia, by urging the Member States to set up a national register of rejected ‘sham marriages’ which can be accessed by the authorities responsible in the Member State itself and in other Member States?"
Analyze carefully the text and assign it to the most relevant policy area among those listed below. Do not explain your answer and return only a number.
Policy area numbers: 1 = Macroeconomics
2 = Civil Rights, Minority Issues and Civil Liberties
3 = Health
4 = Agriculture and Fisheries
5 = Labour, employment and pensions
6 = Education
7 = Environment
8 = Energy
9 = Immigration
10 = Transportation
12 = Law and Crime
13 = Social welfare
14 = Regional and Urban issues and Planning
15 = Banking, finance and domestic commerce issues
16 = Defence
17 = Space, science, technology, and communications issues
18 = Foreign trade
19 = International affairs and foreign aid
20 = Governance and government
21 = Public Lands, Water Management and Territorial Issues
23 = Culture and media
[/INST]. Answer = [9]. </s>
Is the Commission aware that there has been a big increase in the number of people whose application to get married is rejected because the marriage is a bogus one, and who subsequently exploit differences in the national legislation of the Member States or differing interpretations of national legislation at local level in order to submit a new application to get married in another district of the same country or in a different EU Member State?  Does the Commission not think it would be advisable to take initiatives to prevent this form of ‘marriage shopping’, inter alia, by urging the Member States to set up a national register of rejected ‘sham marriages’ which can be accessed by the authorities responsible in the Member State itself and in other Member States?