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    <link:label id="lab_us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_E8883222338540F7B01CDE6A9757D3C5_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_E8883222338540F7B01CDE6A9757D3C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and other current liabilities</link:label>
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    <link:label id="lab_tnet_CollateralPaidToInsuranceCarriersNetOfHealthBenefitLossReservesCurrent_5FF27181BD1E06991D5ADE621E23EA71_terseLabel_en-US" xlink:label="lab_tnet_CollateralPaidToInsuranceCarriersNetOfHealthBenefitLossReservesCurrent_5FF27181BD1E06991D5ADE621E23EA71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued health insurance costs, net</link:label>
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    <link:label id="lab_us-gaap_WorkersCompensationLiabilityCurrent_B3D4CB7A5776DCE92DC2DE621E23974D_terseLabel_en-US" xlink:label="lab_us-gaap_WorkersCompensationLiabilityCurrent_B3D4CB7A5776DCE92DC2DE621E23974D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued workers' compensation costs, net</link:label>
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    <link:label id="lab_tnet_InsurancePremiumsAndOtherPayables_46F3E05BAC088C3CA667DE621E24634E_terseLabel_en-US" xlink:label="lab_tnet_InsurancePremiumsAndOtherPayables_46F3E05BAC088C3CA667DE621E24634E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance premiums and other payables</link:label>
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    <link:label id="lab_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments_2296C3004237C4A67685C9BFEEAA3299_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments_2296C3004237C4A67685C9BFEEAA3299" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total accrued costs, end of year</link:label>
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