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Specifically , difficulty with inhibition ( technically termed " response inhibition " ) has been proposed as the primary problem in ADHD , as is evidenced by the difference between the performances of children with and without ADHD on a test called a " stop task . No comprehensive treatment of the Afrotropical species has been published since Roewer ( 1954 ) , whose work is nearly useless . Basic vouchers prepared on government standard forms or on forms otherwise specifically authorized , and invoices , bills , or statements of account serving as basic vouchers , will be submitted to the Disbursing Officer in an original and one copy for payment processing . So , I basically gave up , I started to believe it was just because I did n't care , and it was too late to do anything about it . For a herpetologist , finding a new species is always exciting ; for me , finding a new cobra species is the ultimate discovery . Loan asset sales / prepayment programs must be conducted in accordance with policies in this Circular and procedures in `` Managing Federal Receivables , '' including the prohibitions against the financing of prepayments by tax-exempt borrowing and sales with recourse except where specifically authorized by statute . Nonetheless , it is fair to say that untreated human envenomations from this species are almost always fatal . Nearly a third fulfill criteria for an antisocial disorder , and two-thirds of these individuals become known to the criminal justice system . You should always be suspicious of problems that wo n't go away . As Commissioner of the Financial Management Service , Mr. Papaj has the responsibility for managing over $ 2.6 trillion a year in collections and nearly $ 1.5 trillion in disbursements of federal revenues . They were all rooting for me , and they wanted me to pull through . I always had trouble focusing on homework and paying attention in class . Based on the findings of the New York study , nearly all of these individuals were gainfully employed as adults , many as proprietors of successful businesses ( auto repair shops , burglar alarm businesses , cookie franchises , bicycle stores , etc. ) . In addition , nearly all follow-up studies have been limited to white children . Cost effective collection efforts should continue , specifically , if an agency determines that continued collection efforts after mandatory write-off are likely to yield higher returns . The Debt Collection Improvement Act of 1996 specifically mandates that federal agencies , with certain exceptions , transfer non-tax debt over 180 days delinquent to the Department of the Treasury for collection . The childhood syndrome primarily consists of three core symptoms , inattention ( concentration difficulties , short attention span , distractibility ) , impulsivity ( impatience , acting without thinking ) , and hyperactivity ( restlessness , always on the go ) .