▁the ▁district ▁they ▁represent , ▁and ▁qualified ▁to ▁vote ▁for ▁members ▁of ▁the ▁General ▁Assembly . ▁Under ▁the ▁Constitution , ▁" a ▁sen ator ▁or ▁delegate ▁who ▁moves ▁his ▁residence ▁from ▁the ▁district ▁for ▁which ▁he ▁is ▁elected ▁shall ▁thereby ▁vac ate ▁his ▁office ". ▁ ▁The ▁state ▁constitution ▁spec ifies ▁that ▁the ▁General ▁Assembly ▁shall ▁meet ▁ann ually , ▁and ▁its ▁regular ▁session ▁is ▁a ▁maximum ▁of ▁ 6 0 ▁days ▁long ▁in ▁even - number ed ▁years ▁and ▁ 3 0 ▁days ▁long ▁in ▁odd - number ed ▁years , ▁unless ▁extended ▁by ▁a ▁two - third s ▁vote ▁of ▁both ▁houses . ▁The ▁governor ▁of ▁Virginia ▁may ▁conven e ▁a ▁special ▁session ▁of ▁the ▁General ▁Assembly ▁" when , ▁in ▁his ▁opinion , ▁the ▁interest ▁of ▁the ▁Commonwealth ▁may ▁require " ▁and ▁must ▁conven e ▁a ▁special ▁session ▁" up on ▁the ▁application ▁of ▁two - third s ▁of ▁the ▁members ▁elected ▁to ▁each ▁house ". ▁ ▁Red istrict ing ▁reform ▁Article ▁II , ▁section ▁ 6 ▁on ▁app ort ion ment ▁states , ▁" M embers ▁of ▁the ▁... ▁Senate ▁and ▁of ▁the ▁House ▁of ▁De leg ates ▁of ▁the ▁General ▁Assembly ▁shall ▁be ▁elected ▁from ▁elect oral ▁districts ▁established ▁by ▁the ▁General ▁Assembly . ▁Every ▁elect oral ▁district ▁shall ▁be ▁composed ▁of ▁cont igu ous ▁and ▁compact ▁territory ▁and ▁shall ▁be ▁so ▁constit uted ▁as ▁to ▁give , ▁as ▁nearly ▁as ▁is ▁pract ic able , ▁representation ▁in ▁proportion ▁to ▁the ▁population ▁of ▁the ▁district ." ▁The ▁Red