My MTN invoice states
"Unless a query is raised in respect of the contents of this bill within
30 days from the date thereof, the contents shall be deemed to be correct."
How can they come and say after 30 days that they did not charge me for old data?


"Unless a query is raised in respect of the contents of this bill within
30 days from the date thereof, the contents shall be deemed to be correct."
How can they come and say after 30 days that they did not charge me for old data?