Foursquare is extending a promotion that allows users to check-in to certain participating small businesses to receive cash credits on their credit cards.

The original deals debuted on Small Business Saturday, the day after Black Friday set aside to shop locally, and support all of those small to midsize businesses that shoppers often neglect on the preceding day.

All users had to do was sync their Foursquare account with their American Express card, and check-in to the participating stores. Once users checked-in, they were given an option to “load to card.” After that, all they had to do was purchase $25 or more at the local merchant and they would be credited $25 back to their card within the next 5 business days.

On November 26th, over hundreds of thousands of businesses were part of the initiative.

Now, Foursquare is extending these deals as they were apparently a huge hit last month. This time the deal has lessened a bit – down from $25 for $25 to $20 for $10 – but it works in the exact same way. Users can tack on the $10 credit at participating stores even if they already unlocked the $25 credit.

Check in at a merchant with a Special (more details below), load the Special to your card, and then pay for your over $10 purchase with your American Express ® Card. No need to show your phone to a cashier or anything – you’ll receive the credit on your Amex statement within 5 business days.

You can find dozens of deals in your area just by hitting ‘Specials’ on the ‘Explore’ tab on your foursquare app (there are hundreds of thousands of participating businesses).

Once you sync your card, the explore tab on your Foursquare app will show you nearby AMEX small business deals. Foursquare asks that you help promote the deals and alert others to participating stores in their area by tweeting with the #4sqShopSmall hashtag.