For customized sales invoice

Hi,
my query...
is it possible to delete signatory part only in sales invoice..want to know what condition to use...tried a lot by myself but not getting result...
Experts plz help..
Thank you in advance for your help..

[#Part : Expinv Rightsign]
Delete : Bottom Parts

 

[#Part: EXPINV Customer]
Delete:Right Parts : EXPINV Signature

 

Thanks Sir...but issue is still there

 

My mistake i didn't explain what i want to do....
i have added below code in default functionality and getting my desired result...(You can see in attachment)
Except one thing that is....it remove authorized signatory part from all voucher types..
i just want to remove it from voucher type child of sales invoice.... That's it.... Plz help


[#Part: EXPINV SignOff]
Option : Agency Signoff : @@Issalesorder or @@ispurcorder or @@issales

[!Part : Agency SignOff]
Delete : Parts
Add : parts : Expinv Words, Mycustomterm,Agency Sign
vertical : yes

[#Part : Expinv Rightsign]
Delete : Bottom Parts

[Part : Agency Sign]
Part : SignLeft Part
Right Part : Mycustombankdetail

[Part : SignLeft Part]
add: Part : EXPINV Declaration

 

As far as I understood as Code is Incomplete:

Code:

 [#Part: EXPINV SignOff]
Option : Agency Signoff : @@Issalesorder or @@ispurcorder or @@issales

[!Part : Agency SignOff]
Delete : Parts
Add : parts : Expinv Words, Mycustomterm,Agency Sign
vertical : yes

[#Part : Expinv Rightsign]
Option:OnRequestSign : @@Issalesorder or @@ispurcorder or @@issales

[Part:OnRequestSign]
Delete : Bottom Parts

[Part : Agency Sign]
Part : SignLeft Part
Right Part : Mycustombankdetail

[Part : SignLeft Part]
add: Part : EXPINV Declaration

 

@contact2varunbabbar do you want like this?

 

send me full code pls on rajanghanshyam@yahoo.co.uk email address

 

send me full code pls on rajanghanshyam@yahoo.co.uk email address

Also i need full width header logo full page like leterhead. i have customized but it comes like tally form size only