Requirement of y+ for Spalart Allmaras Model

What is the y+ requirement for Spalart Allmaras model in Ansys CFX?

There are two wall treatment options in Ansys CFX solver, which are similar to those in Fluent:

1: If the user chooses Default, it means the grid is a low-Reynolds number grid, then the requirement is y+ < 1.

2: If the user chooses Scalable, it means the grid is suited for a log-law wall function, then the requirement is y+ >30.

3. It can be found in the Turbulence Options as Eddy Viscosity Transport Equation.