McKain117, “rules which are directed to governing or regulating the mode or conduct of court proceedings” are procedural and all other provisions or rules are to be classified as substantive118.
These principles may require further elucidation in subsequent decisions but it should be noted that giving effect to them has significant consequences for the kinds of case in which the distinction between substance and procedure has previously been applied. First, the application of any limitation period, whether barring the remedy or extinguishing the right, would be taken to be a question of substance not procedure (which is the result arrived at by the statutes previously referred to). The application of any limitation period would, therefore, continue to be governed (as that legislation requires) by the lex loci delicti. Secondly,