Some information suggests checking your credit report once a year. There are some other situations that might require checking your credit report more often.

http://credit.about.com/od/creditreportscoring/a/checkreport.htm

Check your credit report at least once a year to correct errors and detect unauthorized activity. What should I look for when I review my credit report?

http://www.ftc.gov/bcp/edu/microsites/freereports/index.shtml

Be a savvy borrower and check your credit regularly. CIBC offers tips on checking your credit score. When you monitor your credit, you can watch for errors that could ...

https://www.cibc.com/ca/loans/article-tools/check-credit-report.html

Checking Your Credit Report It’s free, so no excuses! The first step on the path to financial well-being is getting a look at your credit history.

http://www.nationwide.com/yearly-credit-report.jsp

A new Zogby poll reveals how important it is to check reports routinely. Almost four in 10 of us have serious incorrect info on our reports.

http://www.clarkhoward.com/news/clark-howard/personal-finance-credit/check-your-credit-reports-often/nFMK/

Check your credit reports now for out-of-date information

http://www.theglobeandmail.com/globe-investor/personal-finance/smart-cookies/its-time-to-check-your-credit-report/article2306434/

Check your credit report at least once a year, to protect yourself from fraud and for a chance to correct errors.

http://www.managemylife.com/mmh/articles/authored/check-your-credit-report