Girls, I have a question. My son was on mixed feeding at birth, but in…

Girls, I have a question. My son was on mixed feeding at birth, but in the discharge papers from the hospital they wrote that he was breastfed. Because of this, the pediatrician wouldn't give him formula, saying there were no grounds for free formula. In general, we bought formula ourselves. Since 4 months old, he has been exclusively breastfeeding. I would like to know if in our case they should be giving us free formula at the clinic or not? Perhaps you had similar cases. Firstly, it's very expensive, and secondly, it's hard to find Similac 2 in our city.