Credit Card Charge Form - The Credit Card Charge Form can be printed off and faxed to us in order to pay your invoice. NOTE:THIS FORM IS NOT TO BE USED TO PAY THE IRS (OR YOUR STATE) FOR ANY TAXES YOU OWE.  2011 Engagement Letter - Individual -  We must have your signed engagement letter before we can begin work on your tax return. 2011 Form 1040 Client Questionnaire -  If you completed the questionnaire as part of your web organizer you do not need to complete again. 2011 Flight Crew Questionnaire -  This form must be completed by all fight crew members.