<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns="http://www.irs.gov/efile" xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.irs.gov/efile" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0">

	<xsd:annotation>
		<xsd:documentation>
			<Description>IRS e-file Schema - Form 4626</Description>
			<TaxYear>2018</TaxYear>
			<MaturityLevel>Final Release</MaturityLevel>
			<ReleaseDate>September 5, 2018</ReleaseDate>
		</xsd:documentation>
	</xsd:annotation>

	<xsd:include schemaLocation="../../../Common/efileTypes.xsd"/>


	<!-- ======================================================= -->
	<!-- =======================  IRS Form 4626 ===================== -->
	<!-- ======================================================= -->


	<xsd:element name="IRS4626">
		<xsd:annotation>
			<xsd:documentation>IRS Form 4626</xsd:documentation>
		</xsd:annotation>
		<xsd:complexType>
			<xsd:complexContent>
				<xsd:extension base="IRS4626Type">
					<xsd:attributeGroup ref="DocumentAttributes">
						<xsd:annotation>
							<xsd:documentation>Common return document attributes</xsd:documentation>
						</xsd:annotation>
					</xsd:attributeGroup>
					<xsd:attribute name="documentName" type="xsd:string" fixed="IRS4626">
						<xsd:annotation>
							<xsd:documentation>IRS internal use only. To avoid error in the return, do not include the attribute name or value.</xsd:documentation>
						</xsd:annotation>
					</xsd:attribute>
				</xsd:extension>
			</xsd:complexContent>
		</xsd:complexType>
	</xsd:element>

	<xsd:complexType name="IRS4626Type">
		<xsd:annotation>
			<xsd:documentation>Content model for Form 4626</xsd:documentation>
		</xsd:annotation>

		<xsd:sequence>

			<!-- Part I - Alternative Minimum Tax Computation -->

			<!-- Taxable Income or Loss Before NOL Deduction -->
			<xsd:element name="TaxableIncomeLossBfrNOLDedAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Taxable income or (loss) before net operating loss deduction</Description>
						<LineNumber>Part I Line 1</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Depreciation of Post-1986 Property -->
			<xsd:element name="DepreciationOfPost1986PropAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Depreciation of post-1986 property</Description>
						<LineNumber>Part I Line 2a</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Amortization of Certified Pollution Control Facilities -->
			<xsd:element name="AmortzCertPlltnContolFcltsAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Amortization of certified pollution control facilities</Description>
						<LineNumber>Part I Line 2b</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Amortization of Mining Exploration and Development Costs -->
			<xsd:element name="AmortzMineExplrtnDevCostAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Amortization of mining exploration and development costs</Description>
						<LineNumber>Part I Line 2c</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Amortization of Circulation Expenditures -->
			<xsd:element name="AmortzOfCirculationExpendAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Amortization of circulation expenditures</Description>
						<LineNumber>Part I Line 2d</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Adjusted Gain or Loss -->
			<xsd:element name="AdjustedGainOrLossAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Adjusted gain or loss</Description>
						<LineNumber>Part I Line 2e</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Long-Term Contracts -->
			<xsd:element name="LongTermContractAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Long-term contracts</Description>
						<LineNumber>Part I Line 2f</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Merchant Marine Capital Construction Funds -->
			<xsd:element name="MerchantMarineCapConstFundsAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Merchant marine capital construction funds</Description>
						<LineNumber>Part I Line 2g</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Sec. 833(b) Deduction -->
			<xsd:element name="Section833bDeductionAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Section833bdeduction</Description>
						<LineNumber>Part I Line 2h</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Tax Shelter Farm Activities -->
			<xsd:element name="TaxShelterFarmActivitiesAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Tax shelter farm activities</Description>
						<LineNumber>Part I Line 2i</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Passive Activities -->
			<xsd:element name="PassiveActivityAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Passive activities</Description>
						<LineNumber>Part I Line 2j</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Loss Limitations -->
			<xsd:element name="LossLimitationAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Loss limitations</Description>
						<LineNumber>Part I Line 2k</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Depletion -->
			<xsd:element name="DepletionAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Depletion</Description>
						<LineNumber>Part I Line 2l</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Tax-Exempt Interest from Specified Private Activity Bonds -->
			<xsd:element name="TxExmptIntIncmSpcfdActyBondAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Tax-Exempt interest income from specified private activity bonds</Description>
						<LineNumber>Part I Line 2m</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Intangible Drilling Costs -->
			<xsd:element name="IntangibleDrillingCostAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Intangible drilling costs</Description>
						<LineNumber>Part I Line 2n</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Other Adjustments and Preferences -->
			<xsd:element name="OtherAdjustmentAndPrefAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Other adjustments and preferences</Description>
						<LineNumber>Part I Line 2o</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Preadjustment Alternative Minimum Taxable Income -->
			<xsd:element name="PreadjustmentAMTIAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Preadjustment alternative minimum taxable income</Description>
						<LineNumber>Part I Line 3</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Adjusted Current Earnings -->
			<xsd:element name="AdjustedCurrentEarningsAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Adjusted current earnings</Description>
						<LineNumber>Part I Line 4a</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- ACE Minus Preadjustment AMTI -->
			<xsd:element name="ACELessPreadjustmentAMTIAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Adjusted current earnings minus preadjustment alternative minimum taxable income.  Subtract line 3 from line 4a</Description>
						<LineNumber>Part I Line 4b</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- ACE Minus Preadjustment AMTI Reduced -->
			<xsd:element name="RedACELessPreadjustmentAMTIAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Reduced adjusted current earnings minus preadjustment alternative minimum taxable income</Description>
						<LineNumber>Part I Line 4c</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Excess AMTI -->
			<xsd:element name="ExcessAMTIAmt" type="USAmountType">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Excess AMTI from prior year ACE adjustments</Description>
						<LineNumber>Part I Line 4d</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- ACE Adjustment -->
			<xsd:element name="ACEAdjustmentAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>ACE adjustment</Description>
						<LineNumber>Part I Line 4e</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Preadjustment AMTI Plus ACE Adjustment -->
			<xsd:element name="PreadjustmentAMTIPlusACEAdjAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Preadjustment AMTI plus ACE adjustment.  Combine lines 3 and 4e</Description>
						<LineNumber>Part I Line 5</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Alternative Tax Net Operating Loss Deduction -->
			<xsd:element name="AltTaxNetOperatingLossDedAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Alternative tax net operating loss deduction</Description>
						<LineNumber>Part I Line 6</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Form 1066 Schedule Q Residual Interest or Alternative Minimum Taxable Income -->
			<xsd:choice minOccurs="0">
				<!-- Form 1066 Schedule Q Residual Interest -->
				<xsd:element name="ResidualInterestAmt">
					<xsd:annotation>
						<xsd:documentation>
							<Description>Form 1066 Schedule Q residual interest</Description>
							<LineNumber>Part I Line 7</LineNumber>
						</xsd:documentation>
					</xsd:annotation>
					<xsd:complexType>
						<xsd:simpleContent>
							<xsd:extension base="USAmountType">
								<xsd:attribute name="residualInterestInREMICCd">
									<xsd:simpleType>
										<xsd:restriction base="StringType">
											<xsd:enumeration value="SCH Q"/>
										</xsd:restriction>
									</xsd:simpleType>
								</xsd:attribute>
							</xsd:extension>
						</xsd:simpleContent>
					</xsd:complexType>
				</xsd:element>

				<!-- Alternative Minimum Taxable Income -->
				<xsd:element name="AlternativeMinTaxableIncomeAmt" type="USAmountType">
					<xsd:annotation>
						<xsd:documentation>
							<Description>Alternative minimum taxable income</Description>
							<LineNumber>Part I Line 7</LineNumber>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
			</xsd:choice>

			<!-- Qualified AMTI Exemption -->
			<xsd:element name="QualifiedAMTIExemptionAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Substract $150,000 from line 7</Description>
						<LineNumber>Part I Line 8a</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Reduced AMTI Exemption -->
			<xsd:element name="ReducedAMTIExemptionAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Multiply line 8a by 25%</Description>
						<LineNumber>Part I Line 8b</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Exemption -->
			<xsd:element name="ExemptionAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Exemption</Description>
						<LineNumber>Part I Line 8c</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- AMTI Minus Exemption -->
			<xsd:element name="AMTIMinusExemptionAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>AMTI minus exemption</Description>
						<LineNumber>Part I Line 9</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Multiply Line 9 by 20% (.20) -->
			<xsd:element name="AdjAlternativeMinTaxableIncAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Multiply line 9 by 20% (.20)</Description>
						<LineNumber>Part I Line 10</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Alternative Minimum Tax Foreign Tax Credit -->
			<xsd:element name="AMTForeignTaxCreditAmt" type="USAmountNNType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>AMT Foreign Tax Credit</Description>
						<LineNumber>Part I Line 11</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Tentative Minimum Tax -->
			<xsd:element name="TentativeAlternativeMinTaxAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Tentative minimum tax</Description>
						<LineNumber>Part I Line 12</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Regular Tax Liability -->
			<xsd:element name="RegularTaxLiabilityAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Regular tax liability</Description>
						<LineNumber>Part I Line 13</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

			<!-- Alternative Minimum Tax -->
			<xsd:element name="AlternativeMinimumTaxAmt" type="USAmountType" minOccurs="0">
				<xsd:annotation>
					<xsd:documentation>
						<Description>Alternative minimum tax</Description>
						<LineNumber>Part I Line 14</LineNumber>
					</xsd:documentation>
				</xsd:annotation>
			</xsd:element>

		</xsd:sequence>

	</xsd:complexType>

</xsd:schema>
