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Comprehensive Analysis of IFRS-ISNATU0 Reporting Style Code

Continuing on with my analysis of IFRS reporting styles I have created an additional temporary reporting style code for the income statement.  The reason I created this temporary code is that the ISXXXXX basically turns off all of the income statement tests until I can establish the pattern of the income statement that has this code.

What I figured out is that I can turn half of the income statement tests on if I simply start at the income statement line item "Income (loss) from continuing operations before tax".  I can then test 5 relations, easing into the final reporting style. The code I used was ISNATU0.

When I did created this code and the supporting Excel validator, I realized that almost all 406 IFRS filings have those 5 relations.  I have seen only ONE IFRS filing that breaks this pattern, reporting "income (loss) from equity method investments and joint ventures" within their tax provision essentially.

So what I did was put all 406 IFRS filings into one Excel spreadsheet validator and checked the filings consistency with those five rules of the ISNATU0 code.  What I found was this:

  • 335 filings, or 83% of all filings, were consistent with all 5 of the income statement rules that I added.
  • 70 filings, or 17% of all filings, were INCONSISTENT with one or more income statement rules.
  • On a per test basis, 107 (5%) test were inconsistent with expectation and 1,923 (95%) were consistent with expectation.  (406 filings times 5 tests).
  • Of the 107 inconsistencies, I confirmed that 25 were filer errors and documented those errors.  That means that actually only 82 are not confirmed to be consistent with expectations (i.e. there could be an error in my test or an error in the IFRS XBRL Taxonomy)

Here are the POSITIVE and NEGATIVE test results for this ISNATU0 set of filings.

Posted on Monday, August 6, 2018 at 05:00PM by Registered CommenterCharlie in | CommentsPost a Comment

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