Prohibition to remove startDate in tenderPeriod and enquiryPeriod#9

karmagood wants to merge 2 commits into

openprocurement:a172713223911293_add_default_enquiryPeriod.startDateopenprocurement/openprocurement.auctions.flash:a172713223911293_add_default_enquiryPeriod.startDatefrom

karmagood:a172713223911293_add_default_enquiryPeriod.startDatekarmagood/openprocurement.auctions.flash:a172713223911293_add_default_enquiryPeriod.startDateCopy head branch name to clipboard