Dissociative electron attachment to formic acid (HCOOH) is studied in a crossed beams experiment using mass spectrometric detection of the product ions in the electron energy range 0-15 eV, including the measurement of absolute cross-sections. Unlike the previous reports, we observe the formation of H- from this molecule, in addition to the fragment negative ions namely O-/ OH- and HCOO-, which were observed earlier. The absolute cross-sections indicate that H- formation is one of the important DEA channels in this molecule. (c) 2005 Elsevier B.V. All rights reserved.