We have firm grounds to assert that this failure also extends to her administration of the rest of the country and the economy," said Beltran.
The lawmaker had previously claimed that he was offered a P2 million bribe to support an alleged "weak" impeachment complaint against President Arroyo.
He accused Francis Ver, former deputy secretary general of the administration's Kabalikat ng Malayang Pilipino (Kampi), of dangling the bribe.
"There's a theme and pattern emerging in how Malacañang utilized its funds and the funds that came under its supervision for distribution to various charities," Beltran said.
Beltran also brushed aside the explanation of Sergio Apostol, chief presidential legal counsel, that it "is normal" for government agencies to incur unliquidated cash advances.
"Malacañang and its spin doctors cannot make excuses for the damning conclusions of the COA by citing shoddy bookkeeping or absent-minded record handling," Beltran said.
Government auditors said Section 80 of Presidential Decree 1445 required the liquidation of cash advances "as soon as the purpose for which it was given has been served."
For his part, Sen. Manuel "Mar" Roxas II warned that mistrust for administration will "remain" should President Arroyo and her officials fail to account for the funds.
"If the Palace had all the good intentions in using these funds, it should not hesitate to publish regular reports of the President's direct social interventions, including the reasons and the beneficiaries thereof," Roxas said in a statement.