13.	INCOME TAXES: The effective tax rate for the second quarter of 2019 was 22.9% as compared to 21.9% for the second quarter of 2018. Included in the second quarter of 2018 were benefits totaling $10.6 million related to state tax credits and tax return true-ups.

Nucor has concluded U.S. federal income tax matters for years through 2014. The tax years 2015 through 2017 remain open to examination by the Internal Revenue Service. The Canada Revenue Agency has concluded its examination of the 2012 and 2013 Canadian returns for Harris Steel Group Inc. and certain related affiliates. The 2015 tax year is currently under examination by the Canada Revenue Agency. The Trinidad and Tobago Inland Revenue Division is examining the Nu-Iron Unlimited 2013 corporate income tax return. The tax years 2012 through 2018 remain open to examination by other major taxing jurisdictions to which Nucor is subject (primarily Canada and other state and local jurisdictions).

Non-current deferred tax assets included in other assets in the condensed consolidated balance sheets were $0.9 million at June 29, 2019 ($0.7 million at December 31, 2018). Non-current deferred tax liabilities included in deferred credits and other liabilities in the condensed consolidated balance sheets were $387.9 million at June 29, 2019 ($332.0 million at December 31, 2018).