Appeals and applications for variance and interpretation. The ZBA shall act in accordance with the procedure specified by law and by this chapter. The ZBA may establish its procedures and requirements, within the framework provided by law and this chapter, for conducting its business. All appeal, variance and interpretation applications made to the ZBA shall be in writing on forms prescribed by the Board or provided for herein. Every application shall refer to the specific provision of the chapter involved and shall exactly set forth the interpretation that is claimed, the use which is involved or sought, and the details and type of the variance that is applied for and the grounds on which it is claimed that the variance should be granted, as the case may be. Every decision of the ZBA shall be by resolution, each of which shall contain the findings of the Board in the particular case.