A valid e-mail address given by a college or university must be used.

The only thing you need to become a member is a valid e-mail address.

It is only for residents of Singapore with a valid postal address.

To subscribe, all you need is a valid e-mail address.

The site requires registration using a valid e-mail address to post.

It's a free process - all you'll need is a valid e-mail address.

To register, groups also must report in their charter a valid legal address.

They must submit information including their true name, a photo and valid address.

A valid e-mail address is required to submit a definition.

A valid e-mail address was previously but is no longer required for editing.