The core question set is listed in Appendix C of the Verification Protocol here: https://marketing-cdn.production.worldly.io/guides/femveri/Verification%20Protocol%20-%20FEMVP2023101.4_20231030_FINAL.pdf.
You may also refer to this link to download the Verification Protocol FEM 4.0 and refer to Appendix C: https://apparelcoalition.org/tools-programs/higg-index-tools/facility-tools/higg-fem-verification/.