Why do I need to report to the Spanish embassy after return to my home country?

Why do I need to report to the Spanish embassy after return to my home country? - From above of eyeglasses near pen on plan placed on wooden table in apartment in soft daylight

I applied for a Schengen visa for the first time along with my family from the Spanish embassy. We were given visas successfully. However, they stamped a note only on my passport (probably because I am sponsoring my family?) that says:

Please report back to the Spanish embassy or consulates upon your return to Pakistan before 25-08-2017. Failing to do this would result in rejection of subsequent visa applications.

What is the purpose of this? Do they want to check whether the main destination of stay and first point of entry was "Spain" itself, as stated in my application?






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Why do I need to report to the Spanish embassy after return to my home country? - Back view of unrecognizable girls walking together along street while returning home from school
Why do I need to report to the Spanish embassy after return to my home country? - Senior woman typing important report on keyboard of laptop
Why do I need to report to the Spanish embassy after return to my home country? - Cheerful friends walking together in sunny day





ENG- Residence Card of Spain , Process details after 3 years living in SPAIN.




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Anete Lusina, Mary Taylor, Anna Shvets, Mary Taylor