When I click register it asks for a self service passcode? I don't see this anywhere on my paystub

Any help would be appreciated.
This is the info from the site-
EMPLOYEE QUICK REFERENCE GUIDE
To log on to iPay Statements for the first time, you need to have the following information:
Your most recent pay statement
Your company Self Service Registration Pass Code
1. Open your browser and type
https://paystatements.adp.com Note: Pop-up blockers may interefer with some of the feature in iPayStatements. It is recommended that you turn off pop-up blockers when using this site.
2. Click Register Now.
3. Enter your company registration passcode (mypaycheck-event), then click Next.
4. From the list of available products, select ADP iPayStatements and click Next
5. Select Pay Statements/Earnings Statements as the documents you will use to verify your identify, and click next.
6. Using your current pay statement, enter the following information:
Co(Company Code)
File(file number)
Number(Check/voucher number)
Pay Date(in mm/dd/yyyy format, for example 12/1/2005)
Last 4 digits of Social Security number
7. Click Next
8. Enter the following security information:
Important: Your password must be 8-20 characters long and contain at least one numeric and one alphabetic character.
A password of your choice
Security details (allows you to retrieve your user id or password if you forget)
Note: Choose only one security question from each drop down list.
9. Click Submit
I did this a few weeks ago & I think the pass code is mypaycheck-event
Hope this works