(a) A district may accept any revenue, money, grants, goods, or services from any federal, state, regional, or local agency or from any person for any lawful purpose of the district.
(b) In addition to any other existing authority, a district may borrow money and incur indebtedness pursuant to Article 7 (commencing with Section 53820), Article 7.4 (commencing with Section 53835), Article 7.5 (commencing with Section 53840), Article 7.6 (commencing with Section 53850), and Article 7.7 (commencing with Section 53859) of Chapter 4 of Part 1 of Division 2 of Title 5 of the Government Code.