27. Are there provisions requiring donations to go through the banking system?

It shall be mandatory for contributions made by national individuals to be certified by a bank cheque where such contributions exceed US$ 1,000 (one thousand US dollars), and any other contribution shall be certified by a written document signed by the taxpayer and by the party official who receives the contribution, indicating its amount.
Source: Section 9, Legal Regime for the financing of political parties, 2008