District of Columbia Code Division VIII. General Laws. § 47-1808.08. Tax credit for unincorporated businesses that provide an employee paid leave to serve as an organ or bone marrow donor.

(b)(1) If in addition to any medical, personal, or other paid leave, including credit for time of service, provided by an unincorporated business, the unincorporated business provides an employee a paid leave of absence to serve as an organ or bone marrow donor, the unincorporated business may claim a credit equal to 25% of the regular salary or wages to the employee paid during the taxable year for that leave of absence, not to exceed 30 days for an organ donation and 7 days for a bone marrow donation.

(2) If the unincorporated business elects to claim the credit, an amount equal to the salary or wages upon which the 25% credit is computed shall not be allowed as a deduction.

(3) The credit shall not reduce the minimum tax liability of $100 [now $250] under § 47-1808.03(b).