The rule against departure in pleading (DCR Pt 9 r 12(1)) does not inhibit amendments to a pleading that are inconsistent with a prior version of that pleading; the rule is directed against departure between different pleadings (e.g., a reply inconsistent with a statement of claim). Where a contract provides for payment of a fixed sum on a fixed date, the payee can sue for the sum on the due date without establishing performance of other contractual obligations as conditions precedent.
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