Patent ID: 6912660

Claim:
A method for parallel approval of an electronic document by a plurality of users, comprising the steps of: A) generating an original Data Authentication Code, hereinafter referred to as “DAC 0 ”, linked to the electronic document; B) making the electronic document available to each user of said plurality of users; and C) having each user of said plurality of users parallelly approve said electronic document, by performing the sub-steps of: i) opening the electronic document for approval; ii) retrieving DAC 0 ; iii) said user approving the electronic document by generating approval information; iv) generating for the electronic document an approval Data Authentication Code, hereinafter referred to as “DAC x”; v) comparing DAC x to DAC 0 , and proceeding with the approval only if DAC x is equal to DAC 0 ; and vi) storing said approval information in a user Approval Data Packet, hereinafter referred to as “ADP x”.