But they also discussed broader collaboration in the future, including matching their countries' environmental rules.

ECONOMIST: Stephen Harper looks to Washington, not Alberta

And federal election rules say that a candidate who uses the matching funds as collateral cannot withdraw from the system.

CNN: McCain attacks Obama for opting out of public financing

Under current rules, employees often have to forfeit some matching funds if they leave before the end of the year.

FORBES: Taxing Matters: Saving to the max

Now the United Network for Organ Sharing is considering changing the rules for kidneys to be more like hearts, matching younger donors with younger recipients and also giving priority to the healthier patients.

FORBES: The Troubling Shortage Of Organ Donors In The U.S.

Indeed, it is not much of a stretch to suggest that these rules are the reason we have seen the widespread adoption over the years of employer matching contributions, automatic enrollment, automatic escalation of contributions, and numerous other innovations in the retirement plan space that have been shown to increase saving.

FORBES: Tax Subsides for 401(k)'s Work, But Not for the Reasons You May Think

To take advantage of the new rules, however, your company may have to be a little more generous with its matching contribution.

FORBES: Taxing Matters: Saving to the max