As far as I can tell, yes. There are rules regarding access that were written in 2010. The most recent info I found on the matter (during my admittedly limited internet searches) are in relation to new regulations that were introduced and then removed in August, 2019:
- https://pressfreedomtracker.us/all-incidents/amid-backlash-d...
- https://theintercept.com/2019/08/30/guantanamo-bay-press-res...
If you're aware of more recent information, do share. As I said, this is just the results from a cursory search and may not reflect the current situation.