Hi,
Please give me a invoice file and I will give you the signed invoice file. if you find the file as per format. then I will give you the PHP script.
I am a Full stack developer in Microsoft technologies.
Though you have asked Indians not to bid. I am bidding because I have plenty of experience in working with electronic invoice integration. please go through the reviews in my profile. In have successfully implemented electronic integration as part of many previous projects.
My area of expertise is web application development (asp.Net web forms, MVC, classic ASP), web services (SOAP & RESTFul), MySql & Sql Server as back end (through stored procedures).
I have 6 years of experience as a full time software developer.
Kindly contact me, lets discuss your requirements.