SDCL § 49-33-19: Capital stock subscription.

When a certificate is issued pursuant to § 49-33-4, the directors of such corporation may, in case the whole of the capital stock shall not have been before subscribed, open books of subscription to fill up the capital stock at such places and upon such notice as they may deem expedient, and may from time to time receive subscriptions until the whole of the capital stock is subscribed.