Pro Bono and Public Service. says American Bar Association ABA Model Rule 6.1 Model Rule 6.1 Rule 6.1 Rule 6.1 Standing Committee on Pro Bono and Public Service ABA Model Rule 6.1 Rule 6.1 Pro Bono and Public Service. 50 hours of free legal services a year Rule 6.1 says ABA Model Rule 6.1 50 hours of pro bono legal services every year 50 hours of pro bono legal services every year Model Rule 6.1 American Bar Association’s Rule 6.1 Pro Bono and Public Service. American Bar Association Rule 6.1 50 hours of free legal services a year asks lawyers to volunteer