Duration and Extension after Green Card Visa
Before you apply for your extension, first need to see that you still meeting all the points and conditions as per your original residence permit as Green Card Visa. This basically means that you are with the same employer, same job, and same working conditions. Also need to apply for extension of your visa before your previous visa expires. And if you lodge the application after the date is over in your previous work visa, then the visa will be rejected.
Also, at the time of extension you need to put the biometric features must be recorded and stored in the card that is a chip card which is given before when you first got this visa, that is called a resident card.
Also just be careful that once you apply for your extension of your visa, then need to be in Denmark till the time your extension is getting progressed. And also at the time of your extension, the passport should be valid as well. If not valid, then before application should get the passport renewed and then apply for the extension. But make sure that you are doing everything on time before the visa expires.
For more information, we Go For Visa are 24 hours open to help and give all answers to the questions that you have for the same, even if you are in Denmark or in any other country.