16) What are the obligations of Top 5,000 Individual Taxpayers?
a) In addition to the obligations of a withholding agent, Top 5,000 Individual Taxpayers shall withhold the one percent (1%) creditable expanded withholding on the purchase of goods and two percent (2%) on the purchase of services (other than those covered by other withholding tax rates) from local suppliers where it regularly makes purchases. However, casual purchase of goods shall not be subject to withholding tax unless the amount of purchase at any one time involves P10,000 or more, in which case, it shall then be required to withhold the tax. The same rule apply to local/resident supplier of services other than those covered by separate rates of withholding tax. Provided, however, that for purchases involving agricultural products in their original state, the tax required to be withheld shall only apply to purchases in excess of the cumulative amount of P300,000 within the same taxable year. For this purpose, agricultural products in their original state shall only include corn, coconut, copra, palay, rice cassava, sugar cane, coffee, fruits, vegetables, marine food products, poultry and livestocks.
b) Taxes withheld shall be remitted under BIR Form 1601-E on a monthly basis thru the Electronic Filing and Payment System (EFPS) facility within the prescribed period.
c) Certificate of Creditable Tax Withheld at Source (BIR Form No. 2307) shall be issued to the payees within twenty (20) days following the close of such payees’ taxable quarter or upon demand of the payees;
d) A list of regular supplier of goods and/or services shall be submitted on a semestral basis through e-submission facility or as an attachment under Electronic Filing and Payment System (EFPS). Deadline for submission of the list is not later than July 31 and January 31 of each year. However, initial list of regular suppliers should be submitted within fifteen (15) days from actual receipt hereof.
Source :
http://www.bir.gov.ph/index.php/tax-information/withholding-tax.html#wt0013