Noncash ROU asset additions

[Table of Contents](#ic4907372b5a74ad699ec049e915a6266_10)15. INCOME TAXES Effective Tax RateOur effective tax rate was 17.1% and 19.3% for the three months ended 31 December 2021 and 2020, respectively.Cash Paid for Taxes (Net of Cash Refunds)Income tax payments, net of refunds, were $50.3 and $73.4 for the three months ended 31 December 2021 and 2020, respectively.  
16. SUPPLEMENTAL INFORMATION Related Party TransactionsWe have related party sales to some of our equity affiliates and joint venture partners as well as other income primarily from fees charged for use of Air Products' patents and technology as well as interest income on advances to unconsolidated affiliates. Sales to and other income from related parties totaled approximately $80 and $50 for the three months ended 31 December 2021 and 2020, respectively. Sales agreements with related parties include terms that are consistent with those that we believe would have been negotiated at an arm’s length with an independent party. As of 31 December 2021 and 30 September 2021, our consolidated balance sheets included related party trade receivables of approximately $130 and $90, respectively.We also have related party debt primarily for a loan with our joint venture partner, Lu’An Clean Energy Company, which partially funded the acquisition of their assets by a consolidated joint venture in 2018. Total related party debt, including the current portion, was $370.1 and $358.4 as of 31 December 2021 and 30 September 2021, respectively.Changes in EstimatesChanges in estimates on projects accounted for under the cost incurred input method are recognized as a cumulative adjustment for the inception-to-date effect of such change. We recorded changes to project cost estimates during the first three months of fiscal year 2022 for which the impact to operating income was not material. Our changes in estimates would not have significantly impacted amounts recorded in prior years.Debt RepaymentIn November 2021, we repaid a 3.0% Senior Note of $400, plus interest, on its maturity date.Lessee AccountingDuring the three months ended 31 December 2021, we recorded noncash right-of-use asset additions of approximately $115, primarily for operating leases that had not yet commenced as of 30 September 2021.  
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