Delaware Code
Subchapter XI. Foreign Limited Liability Partnership
§ 15-1103. Effect of failure to qualify.

(a) A foreign limited liability partnership doing business in the State of Delaware may not maintain an action or proceeding in the State of Delaware until it has in effect a statement of foreign qualification and has paid to the State of Delaware all fees and penalties for the years or parts thereof during which it did business in the State of Delaware without such qualification.
(b) The failure of a foreign limited liability partnership to have in effect a statement of foreign qualification does not impair the validity of a contract or act of the foreign limited liability partnership or preclude it from defending an action or proceeding in the State of Delaware or does not impair the right of any other party to a contract to maintain any action, suit or proceeding on the contract.
(c) A limitation on personal liability of a partner is not waived solely by doing business in the State of Delaware without a statement of foreign qualification having been filed.
(d) If a foreign limited liability partnership does business in the State of Delaware without a statement of foreign qualification having been filed, the Secretary of State is its agent for service of process with respect to a right of action arising out of the doing of business in the State of Delaware and service of process may be made in accordance with the procedures set forth in § 15-113 of this title.

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