Reimbursements: The Armstrong PTA reimburses expenses incurred for PTA related purchases. Please fill out the reimbursement form found below (the PTA does not reimburse sales tax so please use our tax exempt ID number when making purchases: 1-75-0886455-4). Submit your reimbursement requests within two weeks of incurred expenses to the PTA Treasurer Mail Box in the Armstrong front office. Make a copy of receipts and forms to keep for your own records and to pass along to future chairs. You should receive your reimbursement check within three weeks of the submission.