Be aware!
That some of those subject to BIR examination/audit are those not using the Tax-Basis accounting bookkeeping ...
see Section 257 (B) (3) of NIRC
SEC. 257. Penal Liability for Making False Entries, Records or Reports, or Using Falsified or Fake Accountable Forms. -See also
(B) Any person who:
(3) Offers any taxpayer the use of accounting bookkeeping records for internal revenue purposes not in conformity with the requirements prescribed in this Code or rules and regulations promulgated thereunder;
RMC 44 -2002
RMC 22-2004