Ruling: ILLEGAL
Basket toss flips are illegal for high school teams. They have been illegal since the 1980’s. It is only allowed for college teams and All Star beginning at Level 7.
There are two rules that address this.
Rule 2.3.1 says “Unless allowed under the rules in this section, a top person must not be in an inverted position.” There are no rules that state that a free-standing basket toss back flip is legal; therefore, they are illegal.
Rule 2.5.3.f was added in the tosses section for further clarity: “The top person does not execute hip-over-head rotation while released from all tossers/catchers and spotters.”