(a) After notice and a hearing, the court may dismiss a case under this chapter for cause, including—

(1) want of prosecution;

(2) unreasonable delay by the debtor that is prejudicial to creditors;

(3) failure to propose a plan within the time fixed under section 941 of this title;

(4) if a plan is not accepted within any time fixed by the court;

(5) denial of confirmation of a plan under section 943(b) of this title and denial of additional time for filing another plan or a modification of a plan; or

(6) if the court has retained jurisdiction after confirmation of a plan—

(A) material default by the debtor with respect to a term of such plan; or

(B) termination of such plan by reason of the occurrence of a condition specified in such plan.

(b) The court shall dismiss a case under this chapter if confirmation of a plan under this chapter is refused.