hi this is maina.i came to spain to work for a foreign country .i was given a visa of 90 days .before 90 days were over my company had asked me to fill a residential form.where i was given an identity card for 3 months and the NIE.Do i need to renew it and get a residential .and what is the procedure and why was i given for three months,

maina,
what kind of card is it? what is written on it?