Indiana Employer Online Payment System Website Setup Information 51796/CSS 0010[fillable] is a form created by the Indiana Department of Revenue to provide employers with information on how to set up their business’ website for online payments. This form contains two sections: a fillable form and a link to the Indiana Online Payment System. The fillable form includes information about the employer, such as their employer business name, address, contact information, and payment methods. The link to the Indiana Online Payment System provides employers with step-by-step instructions on how to register their business and set up their website for online payments. There are two types of Indiana Employer Online Payment System Website Setup Information forms: 51796/CSS 0010[fillable] and 51796/CSS 0010[non-fillable]. The fillable version can be completed online, while the non-fillable version must be printed out and filled in by hand.