Presumption of correctness of SALN

Section 4 of R.A. 9480 provides:
SEC. 4. Presumption of Correctness of the SALN. - The SALN as of December 31. 2005 shall be considered as true and correct except where the amount of declared networth is understated to the extent of thirty percent (30%) or more as may be established in proceedings initiated by, or at the instance of, parties other than the BIR or its agents: Provided, That such proceedings must be initiated within one year following the date of the filing of the tax amnesty return and the SALN. Findings of or admission in congressional hearings, other administrative agencies of government, and/or courts shall be admissible to prove a thirty percent (30%) under-declaration.