<s>[INST] The next text is a question of a member of the European parliament:"In his speech """"""""Taxation and competition: the realisation of the internal market"""""""" in Hoevelaken on 17 March 2000, Commissioner Bolkestein highlighted the issue of vehicle taxation, commenting:  Turning to the field of excises, you have, for example, the problem with registration taxes for cars. If you buy anew car here in the Netherlands, you will pay aregistration tax. But then if you move to live and work in another Member State and apply for number plates, in 11 Member States you are going to be asked to pay another registration tax. And there is no system of refunds or relief!  Could the Commission state if it has any plans to harmonise """"""""registration tax"""""""" or if it has any other plans to coordinate vehicle taxation?"
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 = [1]. </s>
In his speech """"""""Taxation and competition: the realisation of the internal market"""""""" in Hoevelaken on 17 March 2000, Commissioner Bolkestein highlighted the issue of vehicle taxation, commenting:  Turning to the field of excises, you have, for example, the problem with registration taxes for cars. If you buy anew car here in the Netherlands, you will pay aregistration tax. But then if you move to live and work in another Member State and apply for number plates, in 11 Member States you are going to be asked to pay another registration tax. And there is no system of refunds or relief!  Could the Commission state if it has any plans to harmonise """"""""registration tax"""""""" or if it has any other plans to coordinate vehicle taxation?