4cefbdfd_jects___The_Nature_Conservancy__Voluntary
[0] Permanence [Compliance] Similar approaches are possible, but in a compliance program, liability or additional insurance would need to be in place in case of the unlikely event that losses are beyond the reserve. [Voluntary] 
The Conservancy holds a conservation easement on the project that will restrict future use of the land to maintain forests. In addition, a percentage of offsets are placed into a reserve to account for any natural or other unanticipated losses of carbon that could occur in the future.
Comparing Voluntary and Compliance Approaches in Reforestation Projects | The Nature Conservancy
Voluntary