This reminds me of the benefits of my relatives, who can request them, only the qualified ones? only those requirements do I need?
Yes, If any of the qualified family members apply for benefits with you ,we will ask you for their Social Security numbers and their birth certificates .
I'd like to ask you another question about amount needed for a work credit?  Another question: is the labor credit set in stone or does it fluctuate?
The amount needed for a work credit changes from year to year. In 2019, for example, you earn one credit for every $ 1,360 in wages or self-employment income.