Substitution PRocess

[PaREF]

While this isn't 'exactly' the same situation, it should satisfy anyone's questioning of the procedure. From the 2020-2021 NFHS casebook;

10.2.7 Situation A: Two substitutes stand and proceed as substitutues with the first entering the substitution zone. The coach quickly tells the second substituting player not to substitute this time. Ruling: If this is done quickly as not to delay the set, no violation is called.