ISLAMANAD : The Election Commission of Pakistan (ECP) on Monday issued de-notification of membership of two lawmakers each in Punjab and KP fixing June 8 as the date of by-poll. NA-108, Mandi Bahauddin-I, fell vacant as the commission de-notified Muhammad Ijaz Chaudhary as MNA. Also, in PK-54 Mansehra-IV the ECP de-notified MPA Khyber Pakhtunkhwa.