Data Lock in EPM Excel

Hello All,

I have a requirement on Data lock on EPM Excel.

My scenario is: I want to restrict data input for certain  flow types for particular set of accounts

but out of which certain flow types flow types should be imputable.

I have f21 flow type restricted to Accumulated depreciation accounts should be restricted and same flow type should be

imputable to other GL account in the same report.

How can i handle this? please advise me

Regards,

Madhu