Customers purchasing subscriber identity module cards, like at this mobile phone and accessories shop in Cubao, Quezon City on Tuesday (Oct. 11, 2022), need to register their personal details. President Ferdinand Marcos Jr. on Monday (Oct. 10) signed Republic Act No. 11934 or An Act Requiring the Registration of SIM Cards to curb the proliferation of text message scams and other crimes aided by the illegal use of SIM cards. (MNS photo)