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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GAAP PROVIDES ACCOUNTING AND DISCLOSURE GUIDANCE ABOUT POSITIONS TAKEN BY AN ORGANIZATION IN ITS TAX RETURNS THAT MIGHT BE UNCERTAIN. MANAGEMENT BELIEVES THAT ALL TAX POSITIONS TAKEN BY THE ORGANIZATION IN ITS FEDERAL AND STATE EXEMPT ORGANIZATION TAX RETURNS ARE MORE LIKELY THAN NOT TO BE SUSTAINED UPON EXAMINATION. THE ORGANIZATION'S RETURNS ARE SUBJECT TO EXAMINATION BY FEDERAL AND STATE TAXING AUTHORITIES, GENERALLY FOR THREE AND FOUR YEARS, RESPECTIVELY, AFTER THEY ARE FILED.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION IS DECIDED BY THE GOVERNING BODY AFTER TAKING INTO CONSIDERATION: 1) THE FUNCTIONAL DUTIES AND RESPONSIBILITIES, TIME AND TYPE OF RESPONSIBILITIES REQUIRED BY THE POSITION, NUMBER OF YEARS SERVED, CONSIDERATION FOR BEING THE FOUNDER OF THE CORPORATION, AND TAKING INTO ACCOUNT BEING THE TOP EXECUTIVE ACCOUNTABLE FOR THE GLOBAL OPERATIONAL ACTIVITIES OF THE FIRM. 2) CONSIDERATION OF SALARIES AND COMPENSATION PACKAGES OF CHIEF EXECUTIVE OFFICERS OF SIMILAR KIND OF ORGANIZATIONS WITH ADJUSTMENTS FOR FUNCTIONAL RESPONSIBILITIES, QUALIFICATION, AND REGIONAL LOCATION, 3) DISCUSSION WITH THE GOVERNING BOARD AND COMPENSATION COMMITTEE TO DETERMINE THE APPROPRIATENESS, ADEQUACY, AND AFFORDABILITY OF THE SALARY AND OTHER COMPENSATION SUCH AS COVERAGE BY THE FIRM'S GROUP MEDICAL PLAN. COMPENSATION IS ALSO REVIEWED TO TAKE INTO CONSIDERATION THE COST-OF-LIVING AND OF HOUSING IN THE AREA, AND 4) CONSIDERATION OF SURVEYED COMPENSATION OF OTHER COMPARABLE TISSUE FIRM EXECUTIVES AND STUDY OF COMPILED DATA REFLECTING CURRENT COMPENSATION IN THE TISSUE BANKING AND HEALTHCARE INDUSTRY.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TAX RETURN IS REVIEWED BY THE AUDIT COMMITTEE BEFORE FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CALIFORNIA TRANSPLANT SERVICES, INC. HAS A WRITTEN CONFLICT OF INTEREST POLICY AND IT IS AVAILABLE TO THE PUBLIC BY EITHER DIRECT REQUEST, OR ON OUR WEBSITE: HTTPS://WWW.SAFETYGRAFT.COM/CONFLICT%20OF%20INTEREST%20010109.PDF . THE POLICY IS MONITORED, REVIEWED AND ENFORCED ANNUALLY OR AS NECESSARY. ALL EMPLOYEES ARE REQUIRED UNDER THE POLICY TO REVIEW AND SIGN AN ACKNOWLEDGMENT OF THE CALIFORNIA TRANSPLANT SERVICES, INC. CONFLICT OF INTEREST POLICY. A SIGNATURE ON AN ANNUAL BASIS ACKNOWLEDGES THE FOLLOWING: 1) HAS RECEIVED A COPY OF THE CONFLICT OF INTEREST POLICY 2) HAS READ AND UNDERSTANDS THE POLICY; AND 3) HAS AGREED TO COMPLY WITH THE POLICY; AND 4) UNDERSTANDS THAT THE CALIFORNIA TRANSPLANT SERVICES, INC. IS A CHARITABLE 501(C)(3) ORGANIZATION, AND THAT IN ORDER TO MAINTAIN ITS FEDERAL TAX EXEMPTION IT MUST ENGAGE PRIMARILY IN ACTIVITIES WHICH ACCOMPLISH ONE OR MORE OF ITS TAX-EXEMPT PURPOSES. ENFORCEMENT OF THE POLICY IS AS FOLLOWS: IF THE BOARD OR COMMITTEE HAS REASONABLE CAUSE TO BELIEVE THAT A MEMBER HAS FAILED TO DISCLOSE ACTUAL OR POSSIBLE CONFLICTS OF INTEREST, IT SHALL INFORM THE MEMBER OF THE BASIS FOR SUCH A BELIEF AND AFFORD THE MEMBER AN OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. IF, AFTER INVESTIGATION OF THE FACTS AND HEARING THE RESPONSE OF THE MEMBER AND MAKING FURTHER INVESTIGATION AS MAY BE WARRANTED BY THE CIRCUMSTANCES, THE BOARD OR TASK FORCE COMMITTEE DETERMINES THAT THE MEMBER HAS IN FACT FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, IT SHALL TAKE APPROPRIATE CORRECTIVE OR DISCIPLINARY ACTION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>IS DECIDED BY THE GOVERNING BODY AFTER TAKING INTO CONSIDERATION: 1) THE FUNCTIONAL DUTIES AND RESPONSIBILITIES, TIME AND TYPE OF RESPONSIBILITIES REQUIRED BY THE POSITION, NUMBER OF YEARS SERVED, CONSIDERATION FOR BEING THE FOUNDER OF THE CORPORATION, AND TAKING INTO ACCOUNT BEING THE TOP EXECUTIVE ACCOUNTABLE FOR THE GLOBAL OPERATIONAL ACTIVITIES OF THE FIRM. 2) CONSIDERATION OF SALARIES AND COMPENSATION PACKAGES OF CHIEF EXECUTIVE OFFICERS OF SIMILAR KIND OF ORGANIZATIONS WITH ADJUSTMENTS FOR FUNCTIONAL RESPONSIBILITIES, QUALIFICATION, AND REGIONAL LOCATION, 3) DISCUSSION WITH THE GOVERNING BOARD AND COMPENSATION COMMITTEE TO DETERMINE THE APPROPRIATENESS, ADEQUACY, AND AFFORDABILITY OF THE SALARY AND OTHER COMPENSATION SUCH AS COVERAGE BY THE FIRM'S GROUP MEDICAL PLAN. COMPENSATION IS ALSO REVIEWED TO TAKE INTO CONSIDERATION THE COST-OF-LIVING AND OF HOUSING IN THE AREA, AND 4) CONSIDERATION OF SURVEYED COMPENSATION OF OTHER COMPARABLE TISSUE FIRM EXECUTIVES AND STUDY OF COMPILED DATA REFLECTING CURRENT COMPENSATION IN THE TISSUE BANKING AND HEALTHCARE INDUSTRY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO ANYONE REQUESTING THE DOCUMENTS UPON WRITTEN REQUEST TO CALIFORNIA TRANSPLANT SERVICES, INC. STATE AND LOCAL LICENSES, FDA REGISTRATION, THE CONFLICT OF INTEREST AND WHISTLE BLOWER POLICIES ARE AVAILABLE FOR REVIEW ON THE CTS WEBSITE: CATRANSPLANT.ORG. CTS' FORM 990, FORM CA 199, SCHEDULES AND FINANCIAL STATEMENTS ARE POSTED ON THE WEBSITE GUIDESTAR.COM, AND ARE AVAILABLE FOR PUBLIC DOWNLOAD FROM THE WEBSITE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED OVERSIGHT OR SELECTION PROCESS DURING THE TAX YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IV, LINE 12A AND SCHEDULE D PART XII</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S 2023 FINANCIAL STATEMENT AUDIT IS IN-PROCESS AS OF THE DATE OF THIS FILING.</ExplanationTxt>
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</Return>