E-way bill blocking/unblocking: enforcement date postponed to allow delayed commencement of Rule 138E under CGST. Extension of the commencement date for the e-way bill blocking and unblocking facility under Rule 138E by amending the earlier State notification; the substitution defers the date from which Rule 138E is brought into force, effected under the powers of section 164 of the Meghalaya GST Act on Council recommendation and public interest grounds.