这个是欧盟官网的资料。 http://ec.europa.eu/dgs/home-affairs/policies/borders/docs/c_2010_1620_en.pdf the "Handbook for the processing of visa applications and the modification of issued visas (pdf)" from the European Commission website, which on page 26 under "3. LODGING OF AN APPLICATION" "A holder of a multiple-entry visa may apply for a new visa before the expiry of the validity of the visa currently held. However, the validity of the new visa must complement the current visa, i.e. a person cannot hold two uniform visas valid for the same period in time." "Example: A Moroccan lawyer representing a gender equality NGO who frequently participates in meetings in various Member States holds a multiple-entry-visa which expires on 31.5. She applies for a new visa on 15.4. If a new visa is issued, it should be valid from 1.6. and in such a case the visa holder would be entitled to enter the territory of the Member States on the basis of the first visa that will expire during the stay and leave on the basis of the new visa."
http://ec.europa.eu/dgs/home-affairs/policies/borders/docs/c_2010_1620_en.pdf
the "Handbook for the processing of visa applications and the modification of issued visas (pdf)" from the European Commission website, which on page 26 under "3. LODGING OF AN APPLICATION"
"A holder of a multiple-entry visa may apply for a new visa before the expiry of the validity of the visa currently held. However, the validity of the new visa must complement the current visa, i.e. a person cannot hold two uniform visas valid for the same period in time."
"Example: A Moroccan lawyer representing a gender equality NGO who frequently participates in meetings in various Member States holds a multiple-entry-visa which expires on 31.5. She applies for a new visa on 15.4.
If a new visa is issued, it should be valid from 1.6. and in such a case the visa holder would be entitled to enter the territory of the Member States on the basis of the first visa that will expire during the stay and leave on the basis of the new visa."