1065 instructions provide codes for partnerships.  For LTD engaged in real estate rental do I input code Z plus AA plus AB.   I know that the regulations allow for trade or business treatment for direct investment (assuming certain tests are met.   But at the partnership level, I do not think that code Z applies.  Rather, I think that the preparer need only input the AA and AB information

• Box 20, new codes have been added for the qualified business income deduction: code Z, section 199A income; code AA,

section 199A W-2 wages; code AB, section 199A unadjusted basis; code AC, section 199A qualified REIT dividends; code AD, section 199A qualified PTP income