Hopefully next spring. We have drafted the proposals and are waiting for the Belgranists to turn them into ANO legal-weasel speak before it is circulated, with a view to it becoming law next spring. We have been pressing them for nearly 2 years on this....
For 'SLMG' time to count towards SEP revalidation requirements, a JAR-FCL PPL(A) needs to have a TMG Class Rating included as well as a SEP Class Rating. Whereas if you fly SLMGs on a SEP Class Rating, the time does not count towards SEP revalidation.