"Concealed face bingo paper" means a single use bingo sheet constructed to hide the card face(s).
N.H. Admin. Code § Pari 1002.11
#8802, eff 1-20-07 (See Revision Note at chapter heading for Pari 1000)
The amended version of this section by New Hampshire Register Volume 37, Number 15, eff. 3/10/2017 is not yet available.