Classification
Provinces are classified according to average annual income based on the previous 3 calendar years. Effective July 28, 2008 the thresholds for the income classes for cities are:
| Class | Average annual income |
|---|---|
| First | ₱450 million or more |
| Second | ₱360 million or more but less than ₱450 million |
| Third | ₱270 million or more but less than ₱360 million |
| Fourth | ₱180 million or more but less than ₱270 million |
| Fifth | ₱90 million or more but less than ₱180 million |
| Sixth | below ₱90 million |
A province's income class determines the size of the membership of its Sangguniang Panlalawigan, and also how much it can spend on certain items, or procure through certain means.
Read more about this topic: Provinces Of The Philippines