GUESTBOOK Business Rules:

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Name: mandatory mandatory field
must be unique - cannot have the same name as an existing guestbook entry
can store up to 40 characters of text
City: mandatory mandatory field
enter the city where you live
can store up to 30 characters of text
Province / State: mandatory mandatory field
enter the province or state where you live
can store up to 30 characters of text
Country: mandatory mandatory field
enter the country where you live
can store up to 30 characters of text
Notes: mandatory mandatory field
enter some comments for the Guestbook entry
can store up to 255 characters of text
Email Address: if available, enter your email address
must be in valid email format
can store up to 50 characters of text
WebSiteURL: if available, enter the URL (name) of your website
should be in the format "http://www.??????.com/"
must at least start with "http://"
can store up to 70 characters of text
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