diff --git a/kingfisher_scrapy/base_spider.py b/kingfisher_scrapy/base_spider.py
index e966864d3..0ee87526e 100644
--- a/kingfisher_scrapy/base_spider.py
+++ b/kingfisher_scrapy/base_spider.py
@@ -76,6 +76,8 @@ class BaseSpider(scrapy.Spider):
 
     ocds_version = '1.1'
     date_format = 'date'
+    # Set `date_required` to True in class attribute to always set the `from` and `until` date parameters.
+    date_required = False
 
     def __init__(self, sample=None, note=None, from_date=None, until_date=None, crawl_time=None,
                  keep_collection_open=None, package_pointer=None, release_pointer=None, truncate=None, qs=None, *args,
@@ -96,6 +98,7 @@ def __init__(self, sample=None, note=None, from_date=None, until_date=None, craw
         self.qs = qs
 
         self.date_format = self.VALID_DATE_FORMATS[self.date_format]
+        self.date_required = self.date_required
         self.pluck = bool(package_pointer or release_pointer)
 
         if self.qs and hasattr(self, 'start_requests'):
@@ -129,14 +132,14 @@ def from_crawler(cls, crawler, *args, **kwargs):
             except ValueError as e:
                 raise SpiderArgumentError('spider argument crawl_time: invalid date value: {}'.format(e))
 
-        # Checks Spider date ranges arguments
-        if spider.from_date or spider.until_date:
+        # Checks Spider date ranges arguments and `date_required` class attribute.
+        if spider.from_date or spider.until_date or spider.date_required:
             if not spider.from_date:
                 # Default to `default_from_date` class attribute.
                 spider.from_date = spider.default_from_date
             try:
                 if isinstance(spider.from_date, str):
-                    # convert to date format, if needed
+                    # Convert to date format, if needed.
                     spider.from_date = datetime.strptime(spider.from_date, spider.date_format)
             except ValueError as e:
                 raise SpiderArgumentError('spider argument from_date: invalid date value: {}'.format(e))
diff --git a/kingfisher_scrapy/spiders/nicaragua_solid_waste.py b/kingfisher_scrapy/spiders/nicaragua_solid_waste.py
new file mode 100644
index 000000000..e2bd97fc9
--- /dev/null
+++ b/kingfisher_scrapy/spiders/nicaragua_solid_waste.py
@@ -0,0 +1,32 @@
+from kingfisher_scrapy.base_spider import SimpleSpider
+from kingfisher_scrapy.util import components
+
+
+class NicaraguaSolidWaste(SimpleSpider):
+    """
+    Spider arguments
+      sample
+        Download only data released on 2013-01-23
+      from_date
+        Download only data from this date onward (YYYY-MM-DD format).
+        If ``until_date`` is provided, defaults to '2000-01-01'.
+      until_date
+        Download only data until this date (YYYY-MM-DD format).
+        If ``from_date`` is provided, defaults to today.
+    """
+    name = 'nicaragua_solid_waste'
+    data_type = 'release_package'
+    default_from_date = '2000-01-01'
+    date_required = True
+    url = 'http://www.gekoware.com/swmp/api/ocds/{}/{}'
+
+    def start_requests(self):
+        url = self.url
+        if self.sample:
+            # date parameter setting to get one release from 2013
+            url = url.format('20130123', '20130123')
+        else:
+            # date parameter obtained
+            url = url.format(self.from_date.strftime("%Y%m%d"), self.until_date.strftime("%Y%m%d"))
+        # url looks like http://www.gekoware.com/swmp/api/ocds/20190101/20201005
+        yield self.build_request(url, formatter=components(-2))