You must have a signed blue card before beginning any merit badge.
You can get a blue card from the adult Advancement Chair -
It is your (not your parents) job to set up the time with the Counselor to work on the merit badge.
Verify you have the current edition of the Merit Badge pamphlet, the Librarian can help you with this and he has some copies available in the Troop library. Read the pamphlet before beginning.
The Merit Badge Counselor has complete authority to sign off your blue card.
These are general guidelines to help you in advancing. Troop 431 is very proud of our quality advancement and we are here to help you in any way we can.
Please feel free to ask any questions you may have on advancement.