Affordable housing project notification under section 46 requires project details, compliance conditions, and supporting approvals. Application in Form No. 18 seeks notification of an affordable housing project as a specified business under section 46 and requires disclosure of assessee particulars, project details, area allocation, commencement information, land title, related agreements, and fulfilment of the conditions in rule 36(5). The form also requires annexures for the agreement, sanction letter, and layout and specifications approval, and includes a declaration to continue operating the affordable housing project during the period benefits are availed.