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Guarantees - (Tables)
6 Months Ended
Nov. 30, 2021
Guarantees [Abstract]  
Schedule of Total Guarantees by Type of Guarantee and Member Class
The following table displays the notional amount of our outstanding guarantee obligations, by guarantee type and by member class, as of November 30, 2021 and May 31, 2021.

Table 11.1: Guarantees Outstanding by Type and Member Class
(Dollars in thousands)November 30, 2021May 31, 2021
Guarantee type:  
Long-term tax-exempt bonds(1)
$123,775 $145,025 
Letters of credit(2)
377,738 389,735 
Other guarantees156,468 154,320 
Total$657,981 $689,080 
Member class:  
CFC:  
Distribution$271,941 $251,023 
Power supply354,180 415,984 
Statewide and associate(3)
8,811 5,523 
CFC total634,932 672,530 
NCSC23,049 16,550 
Total$657,981 $689,080 
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(1)Represents the outstanding principal amount of long-term variable-rate guaranteed bonds.
(2)Reflects our maximum potential exposure for letters of credit.
(3) Includes CFC guarantees to NCSC and RTFC members totaling $6 million and $3 million as of November 30, 2021 and May 31, 2021, respectively.