IRS formswhich are most popular includes: irs form 1040, form w4,w-9 form, form 941, form 8949, form 8949, form 4868, form 1023, form 990,form 2848, form 1065, form 1099, form 4506-t and form 8863. The IRS is infamous for having more forms and publications than most taxpayers can...