This authority should be entrusted to a knowledgeable assistant unit leader.
A unit leader should consider making more of the process than just providing a signature.
This is done through the National Advancement Program Team.
Though it may not have been clearly stated in the past, units, districts, and local councils do not have the authority to implement a different system for merit badge approval and documentation.
However, see “Counselor Approvals and Limitations,” 188.8.131.52, for circumstances when a unit leader may place limits on the number of merit badges that may be earned from one counselor.
The Scout may also want to take advantage of opportunities at merit badge fairs or midways, or at rock-climbing gyms or whitewater rafting trips that provide merit badge instruction.
34124, commonly called the “blue card.” Although it is the unit leader’s responsibility to see that at least one merit badge counselor is identified from those approved and made available, the Scout may have one in mind with whom he would like to work.Because of the counseling opportunity involved, it is the unit leader’s responsibility to sign blue cards.In the role of giving leadership to the delivery of the troop program, a Scoutmaster, for example, has a better opportunity than other leaders to get to know the youth.This is also acceptable, but the Scout must still discuss the merit badge with the unit leader and get a signed blue card.Should a Scout want to change counselors, he should once again speak with the unit leader to verify that the counselor is properly registered and approved.