The check digit for the Universal
Loan Identifier (ULI) pursuant to section 1003.4(a)(1)(i)(C) is calculated
using the ISO/IEC 7064, MOD 97-10 as it appears on the International
Standard ISO/IEC 7064:2003, which is published by the International
Organization for Standardization (ISO).
©ISO.
This material is reproduced from ISO/IEC 7064:2003 with permission
of the American National Standards Institute (ANSI) on behalf of ISO.
All rights reserved.
Generating
a Check Digit Step 1: Starting
with the leftmost character in the string that consists of the combination
of the Legal Entity Identifier (LEI) pursuant to section 1003.4(a)(1)(i)(A)
and the additional characters identifying the covered loan or application
pursuant to section 1003.4(a)(1)(i)(B), replace each alphabetic character
with numbers in accordance with Table I below to obtain all numeric
values in the string.
Table
I—Alphabetic to Numeric Conversion Table The alphabetic characters are not case-sensitive and each letter,
whether it is capitalized or in lower-case, is equal to the same value
as each letter illustrates in the conversion table. For example, A
and a are each equal to 10.
A = 10
B = 11
C = 12
D
= 13
E = 14
F = 15
G = 16
H = 17
I = 18
J = 19
K = 20
L = 21
M = 22
N
= 23
O = 24
P = 25
Q = 26
R = 27
S
= 28
T = 29
U = 30
V = 31
W = 32
X
= 33
Y = 34
Z = 35
Step 2: After converting the combined string of
characters to all numeric values, append two zeros to the rightmost
positions.
Step 3: Apply the mathematical
function mod = (n,97) where n = the number obtained
in step 2 above and 97 is the divisor.
Alternatively, to calculate without using the modulus
operator, divide the numbers in step 2 above by 97. Truncate the remainder
to three digits and multiply it by 97. Round the result to the nearest
whole number.
Step 4: Subtract the result
in step 3 from 98. If the result is one digit, add a leading 0 to
make it two digits.
Step 5: The two digits
in the result from step 4 is the check digit. Append the resulting
check digit to the rightmost position in the combined string of characters
described in step 1 above to generate the ULI.
Example For
example, assume the LEI for a financial institution is 10Bx939c5543TqA1144M
and the financial institution assigned the following string of characters
to identify the covered loan: 999143X. The combined string of characters
is 10Bx939c5543TqA1144M999143X.
Step 1: Starting with the leftmost character in the combined string of characters,
replace each alphabetic character with numbers in accordance with
Table I above to obtain all numeric values in the string. The result
is 10113393912554329261011442299914333.
Step 2: Append two zeros to the rightmost positions in the combined string.
The result is 1011339391255432926101144229991433300.
Step 3: Apply the mathematical function mod = (n,97)
where n = the number obtained in step 2 above and 97 is the
divisor. The result is 60. Alternatively, to calculate without using
the modulus operator, divide the numbers in step 2 above by 97. The
result is 1042617929129312294946332267952920. 618556701030928. Truncate
the remainder to three digits, which is .618, and multiply it by 97.
The result is 59.946. Round this result to the nearest whole number,
which is 60.
Step 4: Subtract the result
in step 3 from 98. The result is 38.
Step 5: The two digits in the result from step 4 is the check digit. Append
the check digit to the rightmost positions in the combined string
of characters that consists of the LEI and the string of characters
assigned by the financial institution to identify the covered loan
to obtain the ULI. In this example, the ULI would be 10Bx939c5543TqA1144M999143X38.
Validating a ULI To determine whether the ULI contains a transcription
error using the check digit calculation, the procedures are described
below.
Step 1: Starting with the leftmost
character in the ULI, replace each alphabetic character with numbers
in accordance with Table I above to obtain all numeric values in the
string.
Step 2: Apply the mathematical function
mod = (n,97) where n = the number obtained in step 1
above and 97 is the divisor.
Step 3: If
the result is 1, the ULI does not contain transcription errors.
Example For example, the ULI assigned to a covered loan is 10Bx939c5543TqA1144M999143X38.
Step 1: Starting with the leftmost character
in the ULI, replace each alphabetic character with numbers in accordance
with Table I above to obtain all numeric values in the string. The
result is 1011339391255432926101144229991433338.
Step 2: Apply the mathematical function mod = (n,97)
where n is the number obtained in step 1 above and 97 is the
divisor.
Step 3: The result is 1. The ULI
does not contain transcription errors.
