; (2) to combat corruption, including by investigating and prosecuting officials of that Government who are credibly alleged to be corrupt; and (3) to protect the right of political opposition parties, journalists, trade unionists, human rights defenders, and other civil society activists to operate without interference. (b) Waiver (1) Temporary general waiver If the Secretary of State certifies to the appropriate congressional committees under subsection (a) that the Government of Nicaragua is taking effective steps as described in that subsection, the President may waive the imposition of additional sanctions under section 4 for a period of not more than one year beginning on the date of the certification. (2) Case-by-case waiver The President may waive the application of sanctions under section 4 with respect to a person if the President— (A) determines that such a waiver is in the national interest of the United States