10. Is there a ban on donations from corporations with government contracts to candidates?

Omnibus Election Code (revised 2013)

"Prohibited contributions. - No contribution for purposes of partisan political activity shall be made directly or indirectly by any of the following: … (c) Natural and juridical persons who hold contracts or sub-contracts to supply the government or any of its divisions, subdivisions or instrumentalities, with goods or services or to perform construction or other works; (d) Natural and juridical persons who have been granted franchises, incentives, exemptions, allocations or similar privileges or concessions by the government or any of its divisions, subdivisions or instrumentalities, including government-owned or controlled corporations; (e) Natural and juridical persons who, within one year prior to the date of the election, have been granted loans or other accommodations in excess of P100,000 by the government or any of its divisions, subdivisions or instrumentalities including government-owned or controlled corporations" (Section 95, Omnibus Election Code)