qualifier free text free text
price valid from
When a conditional sale price begins to hold. A qualifier of the sale-price host, bound to one sale-price statement. Held as a literal (an ISO datetime string); the rich typed-date is a deferred literal-typing concern (DEFERRED D5), not v1 grammar. The corpus's sale_price_effective_date start.
Price valid from is free text, written for one product alone and never shared as a category.
It is a qualifier of sale price — it has meaning only inside a sale price statement, one per statement, never on its own. It belongs with sale price to pricing — what it costs.
It is answered inside every sale price statement, not as a standalone question on a kind.
Answered inside every sale price statement — not a standalone slot on any kind.