If you aren't already, you need to be a registered play-cricket user. In order to do this, go to the main play-cricket site here and click on the Sign Up link at top right of the page. Fill in the necessary details, and validate your account. There is no need to set up another login in order to claim a site
Then login to the main play-cricket page here via the Login link, using your user name and password, and in the Find A Local Club or Competition section in the middle of the page, search for the club or league name. If it appears in the dropdown then it has already been claimed and you should use your login to apply for membership of that site. If it isn't there then click the 'Can't find what you're looking for? If you would like to claim ownership of a new site, then please click here' link below the search field.
Type the first few letters of the club or league name in the Search by Keyword field; this should produce a list of possible matches, of which your unclaimed site may be one.
Please fill in all, or as many, fields as you can; in particular enter both addresses required, 'office' and personal, your position within the club, and if it is a club site set up all the teams that your club is currently running, or may have run, as this will enable us to link up any games involving your teams that other people may already have entered. Once you have done this, we will then be able to activate your site for you.