DUP letter “draconian”

It has emerged that the DUP has required Assembly Candidates to sign up to their own enforced resignation from the Assembly, if the Party Officers decide their services are no longer required. “Draconian” should be a familiar word to at least one such candidate.

It raises several questions. Would the Speaker accept resignations not directly signed by the member? Could he/she? Also, how much dissention and on what issues are the DUP oligarchy expecting?