The capital stock of a corporation shall be paid for in such amounts and at such times as the directors may require. The directors may, from time to time, demand payment, in respect of each share of stock not fully paid, of such sum of money as the necessities of the business may, in the judgment of the board of directors, require, not exceeding in the whole the balance remaining unpaid on said stock, and such sum so demanded shall be paid to the corporation at such times and by such installments as the directors shall direct. The directors shall give notice of the time and place of such payments, which notice shall be given at least 30 days before the time for such payment, to each holder of or subscriber for stock which is not fully paid at such holder's or subscriber's last known address.
Structure Delaware Code
Chapter 1. GENERAL CORPORATION LAW
Subchapter V. Stock and Dividends
§ 151. Classes and series of stock; redemption; rights.
§ 152. Issuance of stock; lawful consideration; fully paid stock.
§ 153. Consideration for stock.
§ 154. Determination of amount of capital; capital, surplus and net assets defined.
§ 157. Rights and options respecting stock.
§ 158. Stock certificates; uncertificated shares.
§ 159. Shares of stock; personal property, transfer and taxation.
§ 161. Issuance of additional stock; when and by whom.
§ 162. Liability of stockholder or subscriber for stock not paid in full.
§ 163. Payment for stock not paid in full.
§ 164. Failure to pay for stock; remedies.
§ 165. Revocability of preincorporation subscriptions.
§ 166. Formalities required of stock subscriptions.
§ 168. Judicial proceedings to compel issuance of new certificate or uncertificated shares.
§ 169. Situs of ownership of stock.
§ 170. Dividends; payment; wasting asset corporations.
§ 171. Special purpose reserves.
§ 172. Liability of directors and committee members as to dividends or stock redemption.