2.5.4. Section 4: Final Recommendations. Same as the regular ICD with the addition of the “IT Box.” Discussion in this section should be tailored to the IS solution and focus on how the Sponsor intends to develop and deliver the required capabilities detailed above.

For reference or comparison, below is what the JCIDS Manual says for the ICD 2021 itself:

2.5.5.3.3. Introduction of a transformational capability solution(s) that differ significantly in form, function, and/or operation from fielded capability solution(s). This may address gaps associated with a new mission, describe breakout capability solution(s) that offer significant improvement in capability, or transform the ways of accomplishing a mission.