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Schedule K
(Form 990)
Department of the Treasury
Internal Revenue Service
Supplemental Information on Tax-Exempt Bonds
SchKMediumBullet Complete if the organization answered "Yes" to Form 990, Part Ⅵ, line 24a. Provide descriptions,
explanations, and any additional information in Part Ⅵ.
SchKMediumBullet Attach to Form 990.
SchKMediumBulletGo to www.irs.gov/Form990 for the latest information.
OMB No. 1545-0047
2018
Open to Public
Inspection
Name of the organization
MOUNT AUBURN HOSPITAL
 
Employer identification number
04-2103606
Part Ⅰ
Bond Issues
(a) Issuer name (b) Issuer EIN (c) CUSIP # (d) Date issued (e) Issue price (f) Description of purpose (g) Defeased (h) On
behalf of
issuer		 (i) Pool
financing
Yes No Yes No Yes No
A MDFA - SERIES 2019K
  		04-3431814 57584YTK5 07-31-2019 211,922,775 SEE PART VI   X   X   X
B MDFA - SERIES 2018J-1 J-2
  		04-3431814 57584YJW0 06-13-2018 479,594,374 SEE PART VI   X   X   X
C MDFA - SERIES 2016I
  		04-3431814 57584XMT5 05-12-2016 257,611,877 SEE PART VI   X   X   X
D MDFA - LAHEY SERIES F
  		04-2323457 NONEXXXXX 10-21-2015 262,828,878 RETIRE BONDS & CAP ACQUISITION   X   X   X
Part Ⅱ
Proceeds
A B C D
1 Amount of bonds retired ..................     8,805,000 28,000,000
2 Amount of bonds legally defeased ..............        
3 Total proceeds of issue .................. 211,922,775 493,298,411 257,618,370 261,009,548
4 Gross proceeds in reserve funds .............        
5 Capitalized interest from proceeds .............       4,857,465
6 Proceeds in refunding escrows ...............       160,202,232
7 Issuance costs from proceeds ............... 2,931,137 4,594,374 2,515,889 1,310,144
8 Credit enhancement from proceeds .............        
9 Working capital expenditures from proceeds .............        
10 Capital expenditures from proceeds ............. 208,991,638 114,836,435 19,006,493 64,587,388
11 Other spent proceeds .............     236,095,988  
12 Other unspent proceeds .............   362,998,912   31,060,330
13 Year of substantial completion ............. 2016 2017
Yes No Yes No Yes No Yes No
14 Were the bonds issued as part of a current refunding issue? ....   X   X   X X  
15 Were the bonds issued as part of an advance refunding issue? .....   X   X X   X  
16 Has the final allocation of proceeds been made? ..........   X X   X   X  
17 Does the organization maintain adequate books and records to support the final allocation of proceeds? .................. X   X   X   X  
Part Ⅲ
Private Business Use
A B C D
Yes No Yes No Yes No Yes No
1 Was the organization a partner in a partnership, or a member of an LLC, which owned property financed by tax-exempt bonds? .............   X   X   X   X
2 Are there any lease arrangements that may result in private business use of bond-financed property? ............... X   X   X     X
For Paperwork Reduction Act Notice, see the Instructions for Form 990.
Cat. No. 50193E
Schedule K (Form 990) 2018
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Schedule K (Form 990) 2018
Page 2
Part Ⅲ
Private Business Use (Continued)
A B C D
Yes No Yes No Yes No Yes No
3a Are there any management or service contracts that may result in private business use of bond-financed property? ............. X   X   X     X
b If "Yes" to line 3a, does the organization routinely engage bond counsel or other outside counsel to review any management or service contracts relating to the financed property? X   X   X      
c Are there any research agreements that may result in private business use of bond-financed property? .............   X X     X   X
d If "Yes" to line 3c, does the organization routinely engage bond counsel or other outside counsel to review any research agreements relating to the financed property?       X        
4 Enter the percentage of financed property used in a private business use by entities other than a section 501(c)(3) organization or a state or local government ....SchKMediumBullet 0 % 0 % 0 % 0 %
5 Enter the percentage of financed property used in a private business use as a result of unrelated trade or business activity carried on by your organization, another section 501(c)(3) organization, or a state or local government ......... SchKMediumBullet 0 % 0 % 0 % 0 %
6 Total of lines 4 and 5 ............. 0 % 0 % 0 % 0 %
7 Does the bond issue meet the private security or payment test? ...   X   X   X   X
8a Has there been a sale or disposition of any of the bond-financed property to a nongovernmental person other than a 501(c)(3) organization since the bonds were issued?.............   X   X   X   X
b If "Yes" to line 8a, enter the percentage of bond-financed property sold or disposed of. ..        
c If "Yes" to line 8a, was any remedial action taken pursuant to Regulations sections 1.141-12 and 1.145-2? .............                
9 Has the organization established written procedures to ensure that all nonqualified bonds of the issue are remediated in accordance with the requirements under
Regulations sections 1.141-12 and 1.145-2? ........ 		X   X   X     X
Part Ⅳ
Arbitrage
A B C D
Yes No Yes No Yes No Yes No
1 Has the issuer filed Form 8038-T, Arbitrage Rebate, Yield Reduction and Penalty in Lieu of Arbitrage Rebate? ...   X   X   X   X
2 If "No" to line 1, did the following apply? ....
a Rebate not due yet? ....... X   X   X   X  
b Exception to rebate? ........   X   X   X   X
c No rebate due? .........   X   X   X   X
If "Yes" to line 2c, provide in Part Ⅵ the date the rebate
computation was performed ......
3 Is the bond issue a variable rate issue? .....   X   X   X   X
4a Has the organization or the governmental issuer entered into a qualified hedge with respect to the bond issue?   X   X   X   X
b Name of provider ..........  
  		 
  		 
  		 
 
c Term of hedge .........        
d Was the hedge superintegrated? ......                
e Was the hedge terminated? ........                
Schedule K (Form 990) 2018
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Schedule K (Form 990) 2018
Page 3
Part Ⅳ
Arbitrage (Continued)
A B C D
Yes No Yes No Yes No Yes No
5a Were gross proceeds invested in a guaranteed investment contract (GIC)?   X   X   X   X
b Name of provider ..........  
  		 
  		 
  		 
 
c Term of GIC .........        
d Was the regulatory safe harbor for establishing the fair market value of the GIC satisfied? ........                
6 Were any gross proceeds invested beyond an available temporary period?   X   X   X   X
7 Has the organization established written procedures to monitor the requirements of section 148? ... X   X   X     X
Part Ⅴ
Procedures To Undertake Corrective Action
--------------------------------------------------------------------------------------------------------------- A B C D
Yes No Yes No Yes No Yes No
Has the organization established written procedures to ensure that violations of federal tax requirements are timely identified and corrected through the voluntary closing agreement program if self-remediation is not available under applicable regulations? X   X   X     X
Part Ⅵ
Supplemental Information. Provide additional information for responses to questions on Schedule K (see instructions).
Return Reference Explanation
BOND A, ENTITY 1: PART I, ROW A, COLUMN F, DESCRIPTION OF PURPOSE: THE ISSUE REFUNDED ISSUES DATED 06/09/2008, 11/30/2005, 6/16/2003, AND 6/4/1998.
BOND B, ENTITY 1: PART I, ROW B, COLUMN F: THE ISSUE'S PURPOSE WAS TO FINANCE CAPITAL PROJECTS AND REFUND ISSUES DATED 6/9/2008; 7/13/2004; 2/11/1998 PART II, COLUMN B, LINE 3: THE TOTAL PROCEEDS EXCEED THE ISSUE PRICE DUE TO THE $13,704,037 OF INVESTMENT EARNINGS
BOND C, ENTITY 1: PART I, ROW C, COLUMN F: THE ISSUE'S PURPOSE WAS TO FINANCE AN OUTPATIENT AMBULATORY CARE BUILDING, FACILITY UPGRADES, AND COMPUTER UPGRADES AT CERTAIN BIDMC AFFILIATES. PART II, COLUMN C, LINE 3: THE TOTAL PROCEEDS EXCEED THE ISSUE PRICE DUE TO THE $26,884,283 OF INVESTMENT EARNINGS PART II, COLUMN C, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE THAT ARE NO LONGER IN ESCROW
BOND D, ENTITY 1: PART III, COLUMN D, LINE 9: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE THAT ALL NONQUALIFIED BONDS OF THE THESE ISSUES ARE REMEDIATED IN ACCORDANCE WITH THE REQUIREMENTS UNDER REGULATIONS SECTIONS 1.141-12 AND 1.145-2. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19 PART V, COLUMN D: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE VIOLATIONS OF FEDERAL TAX REQUIREMENTS ARE TIMELY IDENTIFIED AND CORRECTED THROUGH VOLUNTARY CLOSING AGREEMENT PROGRAM AND SELF-REMEDIATION ISN'T AVAILABLE. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19.
BOND A, ENTITY 2: PART I, ROW A, COLUMN F: THE ISSUE'S PURPOSE WAS TO REFINANCE SEVERAL DIFFERENT ISSUES, FUND TERMINATION PAYMENTS, AND FUND BUILDING IMPROVEMENTS, EQUIPMENT AND LAND IMPROVEMENTS. PART IV, COLUMN A, LINE 2(C): ARBITRAGE REBATE & YIELD RESTRICTION LIABILITY CALCULATION PERFORMED ON OCTOBER 29, 2019
BOND B, ENTITY 2: PART I, ROW B, COLUMN F: DESCRIPTION OF PURPOSE: CONSTRUCTION & EQUIPPING OF A POWER PLANT AND ACQUISITION OF CAPITAL ASSETS. PART III, COLUMN D, LINE 9: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE THAT ALL NONQUALIFIED BONDS OF THE THESE ISSUES ARE REMEDIATED IN ACCORDANCE WITH THE REQUIREMENTS UNDER REGULATIONS SECTIONS 1.141-12 AND 1.145-2. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19. PART V, COLUMN B: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE VIOLATIONS OF FEDERAL TAX REQUIREMENTS ARE TIMELY IDENTIFIED AND CORRECTED THROUGH VOLUNTARY CLOSING AGREEMENT PROGRAM AND SELF-REMEDIATION ISN'T AVAILABLE. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19.
BOND C, ENTITY 2: PART II, COLUMN C, LINE 11: 8,993,760 OF THE PROCEEDS LISTED WERE USED FOR TERMINATION OF THE HEDGE AGREEMENT, WITH THE REMAINDER BEING REFUNDING PROCEEDS THAT ARE NO LONGER IN ESCROW PART III, COLUMN C: THE 2012 ISSUE ARE EXEMPT FROM COMPLETING PART III AS THE ISSUE ARE REFUNDINGS OF BONDS ISSUED PRIOR TO 12/31/2002.
BOND D, ENTITY 2: PART II, COLUMNS D, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE THAT ARE NO LONGER IN ESCROW PART III, COLUMN C: THE 2011 ISSUE ARE EXEMPT FROM COMPLETING PART III AS THE ISSUE ARE REFUNDINGS OF BONDS ISSUED PRIOR TO 12/31/2002
BOND A, ENTITY 3: PART III, COLUMN D, LINE 9: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE THAT ALL NONQUALIFIED BONDS OF THE THESE ISSUES ARE REMEDIATED IN ACCORDANCE WITH THE REQUIREMENTS UNDER REGULATIONS SECTIONS 1.141-12 AND 1.145-2. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19. PART V, COLUMN B: AS OF FISCAL YEAR END 2019, BETH ISRAEL LAHEY HEALTH HAS PLANS TO INCLUDE BOTH LAHEY SERIES F AND LAHEY SERIES E UNDER ITS WRITTEN POLICIES AND PROCEDURES TO ENSURE VIOLATIONS OF FEDERAL TAX REQUIREMENTS ARE TIMELY IDENTIFIED AND CORRECTED THROUGH VOLUNTARY CLOSING AGREEMENT PROGRAM AND SELF-REMEDIATION ISN'T AVAILABLE. THE DELAY IN ADOPTING UPDATED POLICIES AND PROCEDURES HAS RESULTED, IN LARGE PART, DUE TO COMPLICATIONS RESULTING FROM COVID-19.
Schedule K (Form 990) 2018

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