In this country where we often do things at the last minute, there could be bedlam when the telcos start deactivating subscriber identity module (SIM) cards of mobile phones that users have failed to register under RA 11934, the new law that requires their listing. The telcos, called PTEs or Public Telecommunications Entities in the new law, have 180 days after RA 11934 takes effect on Oct. 27 (or 15 days after its Oct. 12 publication in the Official Gazette) to register in databases the users of all SIMs that they have sold or issued. After the deadline, when unregistered mobile phones and si…