 The enactment of Republic Act No.4867 on May 8, 1967 split the old Davao Province into the new provinces of Davao del Norte, Davao del Sur and Davao Oriental, and provided each of them with separate representation.Per Section 5 of R.A. 4867, Davao City was grouped with Davao del Sur for the purposes of electing members of Congress; this was the arrangement from the second half of the 6th Congress until the end of the 7th Congress.