Here is a concise original summary based on the information published by the source. Sara Duterte lawyer faces objections over BIR witness queries Inquirer.netDefense flashes confidential BIR tax audit letters for Duterte, Carpio Inquirer.netProsecutor calls out VP Duterte defense team's boo-boo for showing sensitive BIR papers in trial Manila BulletinSara Duterte trial recap, Oct. 8: BIR details Duterte's income, confirms tax audit Philstar.comImpeach prosecution team: More gaps found in VP financial records BusinessMirror For the full context and any later updates, use the original source link.