It is almost always the case that when there is a Tax Mapping (a.k.a. Tax Verification Drive) activity, tax officials assume a "no holds barred" approach. This means that the taxpayer is ultimately at the mercy of the officer before, during and after the procedure.
The taxpayer too, almost always suffer from unwarranted, out of jurisdiction and plain illegal acts that erring and enterprising tax collectors usually perform in either the interest of greater collected internal revenues or for the greater cause of heavier pockets.
Immediate reliefs and solutions in complying with the real requirements of Tax Mapping is contained in this book, to give the taxpayer a 'first-aid' option when the time comes - should they face this BIR program.