Letter head of the company

CS Vinita Kulkarni (CS + IPR + Teaching) (143 Points)

15 June 2012  

I don't know whether this is a correct category for this question but, 

 
Are there any rules or guidelines regarding Letter Head of the Company?
 
One of the Private Limited Company contains it's Factory Address on its letter head rather than the Registered Address.
 
Is it right or wrong?