Form Wh-405 - Batch Filing Program For Withholding Quarterly Tax Returns (Page 6 of 29) in pdf

Form Wh-405 - Batch Filing Program For Withholding Quarterly Tax Returns Page 6

South Carolina Department of Revenue

Check Digit Calculation - Modulus 10 [2121…]

Revised 11/29/07

The number is given a weight by which it is multiplied. The positions in the number are weighted from left

to right. The scheme for this routine is 2121… where the first number in the number is multiplied by 2.

The second number is multiplied by 1 and the third number is multiplied by 2 and so forth. These weights

are used to multiply the digits of the number to produce a result. The result of the multiplication could be a

two digit number where each digit is treated as a single digit. An example is 7 x 2 = 14 which will convert

to 1 + 4. The last digit (right most) of the grand total of all the multiplication results is subtracted from 10

to create the check digit.

** If the sum is 10, 20, 30, etc… the check digit value is 0 **

Example for File Number:

File Number = 79098924

Number digits: 7 9 0 9 8 9 2 4

Multiplier:

2 1 2 1 2 1 2 1

Results:

14 9 0 9 16 9 4 4

Sum = 1+4+9+0+9+1+6+9+4+4 = 47

Check Digit = 10 – 7 = 3

Example for Scan Line with numeric only:

Column

1234567890123456789012345678901234567890123456789012345678901234567890

AAAAAAAAXXBBBBBBBBBXXCCCCCCCCCXXDDEEXXFFFFFFFFFFFXXXXXXXXXXXG

30801021

123456789

987654321

1208

00000010000

Check Digit calculation for fields B, C, D, E and F using Modulus 10 (21…) starting from the left digit.

Do NOT use spaces in the calculation, only digits (or digit translation from alpha characters).

Number digits: 1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1 1 2 0 8 0 0 0 0 0 0 1 0 0 0 0

Multiplier:

2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2

Results:

2 2 6 4 10 6 14 8 18 9 16 7 12 5 8 3 4 1 2 2 0 8 0 0 0 0 0 0 2 0 0 0 0

Sum =

2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+8+0+0+0+0+0+0+2+0+0+0+0=104

Check Digit = 10 – 4 = 6

Form Wh-405 - Batch Filing Program For Withholding Quarterly Tax Returns Page 6