Ethnicity, Race, Sex: collect and report on the natural person. The entity would be reported as NA
Income: The reg says to report …not applicable when the applicant or co-applicant is not a natural person (e.g., a corporation, partnership, or trust). [Commentary to §1003.4(a)(10)(iii) #7]
Oddly, DTI is still required …when the applicant and co- applicant, if applicable, are not natural persons. [Commentary to §1003.4(a)(23) #5]