27.2	Current tax liabilities

(a)

Deferred tax assets and liabilities as of December 31, 2020

	Net liability position
Description of deferred tax assets and liabilities as of December 31, 2020	Assets		Liabilities
	ThUS$		ThUS$
Unrealized loss		90,585		-
Property, plant and equipment and capitalized interest		-		(187,168	)
Restoration and rehabilitation provision		6,598		-
Manufacturing expenses		-		(107,215	)
Staff severance indemnities, unemployment insurance		-		(6,669	)
Vacation accrual		6,138		-
Inventory provision		22,200		-
Materials provision		8,812		-
Forward		-		-
Employee benefits		-		-
Research and development expenses		-		(3,580	)
Bad debt provision		5,072		-
Provision for legal complaints and expenses		19,637		-
Loan acquisition expenses		-		(5,212	)
Financial instruments recorded at market value		-		(3,929	)
Specific tax on mining activity		-		(3,014	)
Tax loss benefit		844		-
Other		1,454		-
Foreign items (other)		-		(654	)
Balances to date		161,340		(317,441	)
Net balance				(156,101	)

(b)

Deferred tax assets and liabilities as of December 31, 2019

	Net liability position
Description of deferred tax assets and liabilities	Assets		Liabilities
	ThUS$		ThUS$
Unrealized loss		82,075		-
Property, plant and equipment and capitalized interest		-		(197,167	)
Facility closure provision		7,313		-
Manufacturing expenses		-		(106,420	)
Staff severance indemnities, unemployment insurance		-		(6,000	)
Vacation		5,591		-
Inventory provision		23,885		-
Materials provision		7,982		-
Employee benefits		2,689		-
Research and development expenses		-		(3,533	)
Bad debt provision		3,542		-
Provision for legal complaints and expenses		2,546		-
Loan acquisition expenses		-		(3,856	)
Financial instruments recorded at market value		-		(1,287	)
Specific tax on mining activity		-		(1,357	)
Tax loss benefit		2,296		-
Other		-		(2,021	)
Foreign items (other)		311		-
Balances to date		138,230		(321,641	)
Net balance				(183,411	)

As of December 31, 2020, and December 31, 2019, tax loss carryforwards are detailed as follows:

Deferred taxes related to benefits for tax losses	As of December 31, 2020		As of December 31, 2019
	ThUS$		ThUS$
Chile		818		2,296
Foreign		26		-
Total		844		2,296

Current and deferred tax (expenses) benefit are detailed as follows:

	(Expense) Income
Disclosures on income tax expense (benefit)	As of December 31, 2020			As of December 31, 2019			As of December 31, 2018
	ThUS$			ThUS$			ThUS$
Current income tax (expense) income
Current tax expense		(97,374	)		(116,483	)		(207,959	)
Adjustments to prior year current income tax (expense) benefit		(1,901	)		12,222			1,577
Current income tax expense, net, total		(99,275	)		(104,261	)		(206,382	)
Deferred tax expense
Deferred tax expense relating to the creation and reversal of temporary differences		26,219			2,551			26,434
Tax adjustments related to the creation and reversal of temporary differences from the previous year		2,877			(8,309	)		973
Deferred tax expense, net, total		29,096			(5,758	)		27,407
Income tax expense		(70,179	)		(110,019	)		(178,975	)

Tax (expenses) benefit for foreign and domestic parties are detailed as follows:

	(Expense) Income
Income tax (expense) benefit	As of December 31, 2020			As of December 31, 2019			As of December 31, 2018
	ThUS$			ThUS$			ThUS$
Current income tax benefit (expense) by foreign and domestic parties, net
Current income tax expense, foreign parties, net		(9,782	)		(7,394	)		(7,516	)
Current income tax expense, domestic, net		(89,493	)		(96,867	)		(198,866	)
Current income tax expense, net, total		(99,275	)		(104,261	)		(206,382	)
Deferred tax benefit (expense) by foreign and domestic parties, net
Current income tax benefit, foreign parties, net		10,284			2,370			(1,885	)
Current income tax benefit (expense), domestic, net		18,812			(8,128	)		29,292
Deferred tax expense, net, total		29,096			(5,758	)		27,407
Income tax expense		(70,179	)		(110,019	)		(178,975	)

Reconciliation between the tax income (expense) and the tax calculated by multiplying accounting income by the Chilean corporate income tax rate.

	(Expense) Benefits
Income Tax Expense (Benefit)	As of December 31, 2020			As of December 31, 2019			As of December 31, 2018
	ThUS$			ThUS$			ThUS$
Consolidated income before taxes		238,538			390,622			621,038
Income tax rate in force in Chile		27	%		27	%		27	%
Tax expense using the statutory tax rate		(64,405	)		(105,468	)		(167,680	)
Net effect of royalty tax payments		(4,659	)		(4,314	)		(4,919	)
Effect of fines affected by article 21 and passive income		(1,804	)		(724	)		(2,957	)
Tax effect of revenue from regular activities exempt from taxation		1,786			2,376			1,446
Tax rate effect of non-tax-deductible expenses for determining taxable profit (loss)		(2,987	)		(2,128	)		(2,327	)
Tax effect of tax rates supported abroad		(2,077	)		(252	)		(8,714	)
Surplus provision Internal revenue service		-			-			3,517
Effects of changes resulting from classifying a permanent item as a temporary one		4,826			-			-
Other tax effects from reconciliation between accounting gains and tax expenses		(859	)		491			2,659
Tax expense using the effective tax rate		(70,179	)		(110,019	)		(178,975	)