Proceeds split on land and building

After 30 years of calculations of land and building dispositions, I've never understood how realtors and appraisers can ignore the CRA requirement to report land and building separately on the tax return.  This rules applies to T1's, T2's and T3's for all real estate that isn't a principal residence.

I'd really like to see required negotiation of land and building on all sale agreements, and on appraisals. It would make it so much easier to provide the necessary calculations for tax. And... the buyer and the seller would have agreed on the split. You might not think this was important, but CRA may track this split on disposition to the next purchaser's ACB on sale.

There's no capital loss or terminal loss on the building and a complex formula is required to determine the deemed proceeds split.

You'd think the capital gains guide would have something, but it refers us to the Rental Guide T4036

This is where you'll find a calculation table and explanations of how to deem proceeds, and how to calculate deemed ACB on a building.

http://www.cra-arc.gc.ca/E/pub/tg/t4036/t4036-e.html#P1220_82877