9.1 At the sole discretion of Digi, the Principal User of the SIM Card may be entitled to apply for the following number of lines and shall be subject to provisions stated herein:
9.2 The Principal User of the SIM Card shall be solely and wholly liable for all charges incurred for all the Supplementary User line(s) upon the activation of the said SIM Card(s). The Principal User of the SIM Card reserves the right to terminate the Service offered under the Supplementary SIM Card by notice in writing to Digi but shall still remain solely and wholly liable for all charges incurred under the Supplementary SIM Card(s), up to and including the effective date of termination. Digi is under no responsibility whatsoever to verify the transactions of the Supplementary User with the Principal User of the SIM Card.
9.3 Subject to Clause 7, Principal and Supplementary Users shall share the credit limit for Supplementary line(s) in the same account.