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. Specify the preferred type of materiel approach, if the requirement cannot be met using non-materiel approaches, to eliminate or mitigate each capability gap. This information may be used by the MDA to inform the scope of the AoA or similar study. Approaches include: