Amendments to BP 220

I have recently discovered amendments to the IRR of BP220.

Some of these are the following:
Pricing:
Socialized - P300,000 and below
Economic (Low-cost) - P300,000 to P1,250,000
PD957
Low-cost - P1.25M - P2M
Medium-cost- P2M - P4M
Open market - P4M

Also:
Min frontage for rowhouse is 4mtrs and not 3.5mtrs

Setback requirements:
Front - 1.5mtrs
Sides - 1.5mtrs.
Rear - 2mtrs.

refer to http://www3.hlurb.gov.ph/laws/IRRPD957.pdf
and http://www3.hlurb.gov.ph/laws/IRRBP220.pdf
and http://www.hlurb.gov.ph/article/view/382/